A room without windows contains a door without any windows and inside.docx

M

A room without windows contains a door without any windows and inside is a light bulb on the ceiling. There are no light switches inside the room. On the outside of the room are three switches. Your task is to figure out which one of the three switches controls the light bulb. You may change the light switches from on to off as often as you want, but when you do you CANNOT see in the room because the door must be shut! You can only change the switches when you are OUTSIDE the room and when the door is SHUT! You may enter the room only once but you must close the door after you enter and again when you leave. There is a ladder in the room as well. You cannot see through any cracks in the door. How would you figure out which switch controls the light bulb? Solution press switch 1 for 2 minutes then press switch 2 now go inside room which bulb glows switch 2 represetn that now tocuh other two bulbs which bulb is hotter thet represents switch 1 remaining bulb represnets switch 3 .

A room without windows contains a door without any windows and inside is a light bulb on the
ceiling. There are no light switches inside the room. On the outside of the room are three
switches. Your task is to figure out which one of the three switches controls the light bulb. You
may change the light switches from on to off as often as you want, but when you do you
CANNOT see in the room because the door must be shut! You can only change the switches
when you are OUTSIDE the room and when the door is SHUT! You may enter the room only
once but you must close the door after you enter and again when you leave. There is a ladder in
the room as well. You cannot see through any cracks in the door. How would you figure out
which switch controls the light bulb?
Solution
press switch 1 for 2 minutes
then press switch 2
now
go inside room which bulb glows switch 2 represetn that
now
tocuh other two bulbs
which bulb is hotter thet represents switch 1
remaining bulb represnets switch 3
A room without windows contains a door without any windows and inside.docx

Recomendados

A rock is tied to the end of a string and whirled around in a circle t.docx von
A rock is tied to the end of a string and whirled around in a circle t.docxA rock is tied to the end of a string and whirled around in a circle t.docx
A rock is tied to the end of a string and whirled around in a circle t.docxmrichard5
14 views1 Folie
A rigid- well-insulated gas cylinder contains N0 moles of an ideal gas.docx von
A rigid- well-insulated gas cylinder contains N0 moles of an ideal gas.docxA rigid- well-insulated gas cylinder contains N0 moles of an ideal gas.docx
A rigid- well-insulated gas cylinder contains N0 moles of an ideal gas.docxmrichard5
4 views2 Folien
A rocket shoots straight up from the launchpad- Five seconds after lif.docx von
A rocket shoots straight up from the launchpad- Five seconds after lif.docxA rocket shoots straight up from the launchpad- Five seconds after lif.docx
A rocket shoots straight up from the launchpad- Five seconds after lif.docxmrichard5
9 views1 Folie
A software company sells a package that retails for $99- Quantity disc.docx von
A software company sells a package that retails for $99- Quantity disc.docxA software company sells a package that retails for $99- Quantity disc.docx
A software company sells a package that retails for $99- Quantity disc.docxmrichard5
35 views2 Folien
A solenoid is 50 cm long- 2 cm in diameter- and contains 1500 turns- T.docx von
A solenoid is 50 cm long- 2 cm in diameter- and contains 1500 turns- T.docxA solenoid is 50 cm long- 2 cm in diameter- and contains 1500 turns- T.docx
A solenoid is 50 cm long- 2 cm in diameter- and contains 1500 turns- T.docxmrichard5
54 views2 Folien
A sample of C5+ ions is prepared with the electron in the n - 7 state-.docx von
A sample of C5+ ions is prepared with the electron in the n - 7 state-.docxA sample of C5+ ions is prepared with the electron in the n - 7 state-.docx
A sample of C5+ ions is prepared with the electron in the n - 7 state-.docxmrichard5
22 views2 Folien

Más contenido relacionado

Más de mrichard5

A refrigerator is used to maintain a freezing space at 1 degree celsiu.docx von
A refrigerator is used to maintain a freezing space at 1 degree celsiu.docxA refrigerator is used to maintain a freezing space at 1 degree celsiu.docx
A refrigerator is used to maintain a freezing space at 1 degree celsiu.docxmrichard5
2 views2 Folien
A small company produces both doll houses and sets of doll furniture-.docx von
A small company produces both doll houses and sets of doll furniture-.docxA small company produces both doll houses and sets of doll furniture-.docx
A small company produces both doll houses and sets of doll furniture-.docxmrichard5
2 views1 Folie
A single line divides a plane into two regions- Two lines can divide a.docx von
A single line divides a plane into two regions- Two lines can divide a.docxA single line divides a plane into two regions- Two lines can divide a.docx
A single line divides a plane into two regions- Two lines can divide a.docxmrichard5
4 views2 Folien
A small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docx von
A small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docxA small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docx
A small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docxmrichard5
5 views1 Folie
A simple way to model air pollution over a city is with a box model th.docx von
A simple way to model air pollution over a city is with a box model th.docxA simple way to model air pollution over a city is with a box model th.docx
A simple way to model air pollution over a city is with a box model th.docxmrichard5
8 views1 Folie
A sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docx von
A sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docxA sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docx
A sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docxmrichard5
38 views2 Folien

Más de mrichard5(20)

A refrigerator is used to maintain a freezing space at 1 degree celsiu.docx von mrichard5
A refrigerator is used to maintain a freezing space at 1 degree celsiu.docxA refrigerator is used to maintain a freezing space at 1 degree celsiu.docx
A refrigerator is used to maintain a freezing space at 1 degree celsiu.docx
mrichard52 views
A small company produces both doll houses and sets of doll furniture-.docx von mrichard5
A small company produces both doll houses and sets of doll furniture-.docxA small company produces both doll houses and sets of doll furniture-.docx
A small company produces both doll houses and sets of doll furniture-.docx
mrichard52 views
A single line divides a plane into two regions- Two lines can divide a.docx von mrichard5
A single line divides a plane into two regions- Two lines can divide a.docxA single line divides a plane into two regions- Two lines can divide a.docx
A single line divides a plane into two regions- Two lines can divide a.docx
mrichard54 views
A small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docx von mrichard5
A small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docxA small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docx
A small 2-05-g plastic ball that has a charge q of 1-75 C is suspended.docx
mrichard55 views
A simple way to model air pollution over a city is with a box model th.docx von mrichard5
A simple way to model air pollution over a city is with a box model th.docxA simple way to model air pollution over a city is with a box model th.docx
A simple way to model air pollution over a city is with a box model th.docx
mrichard58 views
A sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docx von mrichard5
A sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docxA sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docx
A sheet of BCC iron 1-3 mm thick was exposed to a carburizing atmosphe.docx
mrichard538 views
A series of dominos are stood on end close together so that when one d.docx von mrichard5
A series of dominos are stood on end close together so that when one d.docxA series of dominos are stood on end close together so that when one d.docx
A series of dominos are stood on end close together so that when one d.docx
mrichard52 views
A set S of vectors is given- Find a subset of S with the same span as.docx von mrichard5
A set S of vectors is given- Find a subset of S with the same span as.docxA set S of vectors is given- Find a subset of S with the same span as.docx
A set S of vectors is given- Find a subset of S with the same span as.docx
mrichard513 views
A semiconductor is able to conduct a current- when- betwee.docx von mrichard5
A semiconductor is able to conduct a current-   when-           betwee.docxA semiconductor is able to conduct a current-   when-           betwee.docx
A semiconductor is able to conduct a current- when- betwee.docx
mrichard52 views
A sealed cylinder with a piston is filled with an ideal gas (See Start.docx von mrichard5
A sealed cylinder with a piston is filled with an ideal gas (See Start.docxA sealed cylinder with a piston is filled with an ideal gas (See Start.docx
A sealed cylinder with a piston is filled with an ideal gas (See Start.docx
mrichard53 views
A scientist adds a solution of AgNO3 (aq) dropwise to a solution conta.docx von mrichard5
A scientist adds a solution of AgNO3 (aq) dropwise to a solution conta.docxA scientist adds a solution of AgNO3 (aq) dropwise to a solution conta.docx
A scientist adds a solution of AgNO3 (aq) dropwise to a solution conta.docx
mrichard58 views
A satellite moves in a circular earth orbit that has a radius of 7-67.docx von mrichard5
A satellite moves in a circular earth orbit that has a radius of 7-67.docxA satellite moves in a circular earth orbit that has a radius of 7-67.docx
A satellite moves in a circular earth orbit that has a radius of 7-67.docx
mrichard56 views
A satellite orbits the Earth in a circular orbit of radius r- At some.docx von mrichard5
A satellite orbits the Earth in a circular orbit of radius r- At some.docxA satellite orbits the Earth in a circular orbit of radius r- At some.docx
A satellite orbits the Earth in a circular orbit of radius r- At some.docx
mrichard55 views
A sample of helium at 145 mmHg is in a 3-00 L container and a sample o.docx von mrichard5
A sample of helium at 145 mmHg is in a 3-00 L container and a sample o.docxA sample of helium at 145 mmHg is in a 3-00 L container and a sample o.docx
A sample of helium at 145 mmHg is in a 3-00 L container and a sample o.docx
mrichard52 views
A sample of xenon gas at a pressure of 805 mm Hg and a temperature of.docx von mrichard5
A sample of xenon gas at a pressure of 805 mm Hg and a temperature of.docxA sample of xenon gas at a pressure of 805 mm Hg and a temperature of.docx
A sample of xenon gas at a pressure of 805 mm Hg and a temperature of.docx
mrichard53 views
A sample of ideal gas has a volume of 3-75 L at 14-20 degrees C and 1-.docx von mrichard5
A sample of ideal gas has a volume of 3-75 L at 14-20 degrees C and 1-.docxA sample of ideal gas has a volume of 3-75 L at 14-20 degrees C and 1-.docx
A sample of ideal gas has a volume of 3-75 L at 14-20 degrees C and 1-.docx
mrichard52 views
A sample of hydrogen iodide gas- HI(g)- is collected and then dissolve.docx von mrichard5
A sample of hydrogen iodide gas- HI(g)- is collected and then dissolve.docxA sample of hydrogen iodide gas- HI(g)- is collected and then dissolve.docx
A sample of hydrogen iodide gas- HI(g)- is collected and then dissolve.docx
mrichard510 views
A sample of gas occupying 4-3 L at 37 C and 1-2 atmospheres pressure i.docx von mrichard5
A sample of gas occupying 4-3 L at 37 C and 1-2 atmospheres pressure i.docxA sample of gas occupying 4-3 L at 37 C and 1-2 atmospheres pressure i.docx
A sample of gas occupying 4-3 L at 37 C and 1-2 atmospheres pressure i.docx
mrichard52 views
A sample of a piece of wood from a cliff dwelling in the southwest was.docx von mrichard5
A sample of a piece of wood from a cliff dwelling in the southwest was.docxA sample of a piece of wood from a cliff dwelling in the southwest was.docx
A sample of a piece of wood from a cliff dwelling in the southwest was.docx
mrichard52 views
A sailboat can be propelled into the wind by a maneuver called beating.docx von mrichard5
A sailboat can be propelled into the wind by a maneuver called beating.docxA sailboat can be propelled into the wind by a maneuver called beating.docx
A sailboat can be propelled into the wind by a maneuver called beating.docx
mrichard54 views

Último

Google solution challenge..pptx von
Google solution challenge..pptxGoogle solution challenge..pptx
Google solution challenge..pptxChitreshGyanani1
131 views18 Folien
EIT-Digital_Spohrer_AI_Intro 20231128 v1.pptx von
EIT-Digital_Spohrer_AI_Intro 20231128 v1.pptxEIT-Digital_Spohrer_AI_Intro 20231128 v1.pptx
EIT-Digital_Spohrer_AI_Intro 20231128 v1.pptxISSIP
369 views50 Folien
11.28.23 Social Capital and Social Exclusion.pptx von
11.28.23 Social Capital and Social Exclusion.pptx11.28.23 Social Capital and Social Exclusion.pptx
11.28.23 Social Capital and Social Exclusion.pptxmary850239
298 views25 Folien
ACTIVITY BOOK key water sports.pptx von
ACTIVITY BOOK key water sports.pptxACTIVITY BOOK key water sports.pptx
ACTIVITY BOOK key water sports.pptxMar Caston Palacio
605 views4 Folien
Recap of our Class von
Recap of our ClassRecap of our Class
Recap of our ClassCorinne Weisgerber
77 views15 Folien
Are we onboard yet University of Sussex.pptx von
Are we onboard yet University of Sussex.pptxAre we onboard yet University of Sussex.pptx
Are we onboard yet University of Sussex.pptxJisc
96 views7 Folien

Último(20)

EIT-Digital_Spohrer_AI_Intro 20231128 v1.pptx von ISSIP
EIT-Digital_Spohrer_AI_Intro 20231128 v1.pptxEIT-Digital_Spohrer_AI_Intro 20231128 v1.pptx
EIT-Digital_Spohrer_AI_Intro 20231128 v1.pptx
ISSIP369 views
11.28.23 Social Capital and Social Exclusion.pptx von mary850239
11.28.23 Social Capital and Social Exclusion.pptx11.28.23 Social Capital and Social Exclusion.pptx
11.28.23 Social Capital and Social Exclusion.pptx
mary850239298 views
Are we onboard yet University of Sussex.pptx von Jisc
Are we onboard yet University of Sussex.pptxAre we onboard yet University of Sussex.pptx
Are we onboard yet University of Sussex.pptx
Jisc96 views
JiscOAWeek_LAIR_slides_October2023.pptx von Jisc
JiscOAWeek_LAIR_slides_October2023.pptxJiscOAWeek_LAIR_slides_October2023.pptx
JiscOAWeek_LAIR_slides_October2023.pptx
Jisc96 views
Use of Probiotics in Aquaculture.pptx von AKSHAY MANDAL
Use of Probiotics in Aquaculture.pptxUse of Probiotics in Aquaculture.pptx
Use of Probiotics in Aquaculture.pptx
AKSHAY MANDAL100 views
Psychology KS4 von WestHatch
Psychology KS4Psychology KS4
Psychology KS4
WestHatch84 views
PLASMA PROTEIN (2).pptx von MEGHANA C
PLASMA PROTEIN (2).pptxPLASMA PROTEIN (2).pptx
PLASMA PROTEIN (2).pptx
MEGHANA C68 views
ISO/IEC 27001 and ISO/IEC 27005: Managing AI Risks Effectively von PECB
ISO/IEC 27001 and ISO/IEC 27005: Managing AI Risks EffectivelyISO/IEC 27001 and ISO/IEC 27005: Managing AI Risks Effectively
ISO/IEC 27001 and ISO/IEC 27005: Managing AI Risks Effectively
PECB 585 views
Ch. 7 Political Participation and Elections.pptx von Rommel Regala
Ch. 7 Political Participation and Elections.pptxCh. 7 Political Participation and Elections.pptx
Ch. 7 Political Participation and Elections.pptx
Rommel Regala97 views
REPRESENTATION - GAUNTLET.pptx von iammrhaywood
REPRESENTATION - GAUNTLET.pptxREPRESENTATION - GAUNTLET.pptx
REPRESENTATION - GAUNTLET.pptx
iammrhaywood100 views
Narration lesson plan.docx von TARIQ KHAN
Narration lesson plan.docxNarration lesson plan.docx
Narration lesson plan.docx
TARIQ KHAN112 views

A room without windows contains a door without any windows and inside.docx

  • 1. A room without windows contains a door without any windows and inside is a light bulb on the ceiling. There are no light switches inside the room. On the outside of the room are three switches. Your task is to figure out which one of the three switches controls the light bulb. You may change the light switches from on to off as often as you want, but when you do you CANNOT see in the room because the door must be shut! You can only change the switches when you are OUTSIDE the room and when the door is SHUT! You may enter the room only once but you must close the door after you enter and again when you leave. There is a ladder in the room as well. You cannot see through any cracks in the door. How would you figure out which switch controls the light bulb? Solution press switch 1 for 2 minutes then press switch 2 now go inside room which bulb glows switch 2 represetn that now tocuh other two bulbs which bulb is hotter thet represents switch 1 remaining bulb represnets switch 3