this quiz contains 8 rounds quiz for class 11 -12 for physics

1. PHYSICS QUIZ: 2018-19
CLASS 11-12

2. Pass Rounds
RULES FOR PASS ROUND
10 Marks will be given for correct answer -5 for wrong
answer to the team.
If question is unanswered, it will be pass to the next team.
Question will be 10 second only, 5 marks will be given as
bonus for correct answer and 5 marks also will be reduced
for wrong answer.
Now the team for correct answer get the Bonus.

3. ROUND-1
Pass Round

4. 1. What is the name of the Indian
Scientist who won first Noble Prize
for Physics?
ANSWER: Sir C.V. Raman

5. 2. Who has won Noble Prize twice in
Physics?
ANSWER: John Bardeen.

6. 3. For which topic, Professor
Albert Einstein got Noble Prize in
Physics?
ANSWER: Photo Electric Effect.

7. 4. Name of the person who has
been awarded the title of “The
father of Physics”?
ANSWER: Sir Issac Newton.

8. Pass Round
ROUND-2

9. 1. Who gave the principle of
inertia ?
ANSWER: Galileo (Italar).

10. 2. Who discovered ‘Neutron’?
ANSWER:
James Chadcoiek (England).

11. 3. Who proposed the effect of
inelastic scattering of light by
molecules?
ANSWER:
C.V. Raman (India).

12. 4. Who discovered “The structure and
evolution of Stars”?
ANSWER:
S. Chander Shekhar
(Indian Born American)

13. Pass Round
ROUND-3

14. 1. On which scientific principle the
technology of Aeroplane is based?
ANSWER:
Bernoulli’s Principle

15. 2. On which scientific principle the
technology of Computers is based?
ANSWER:
Digital logic electronic circuits

16. 3. On which scientific principle the
technology of Nuclear Reactor is
based?
ANSWER:
Nuclear fission of Uranium

17. 4. On which scientific principle the
technology of Radio and Television is
based?
ANSWER:
Propagation of electromagnetic
waves

18. Pass Round
ROUND-4

19. 1 . At what temperature water
has maximum density ?
ANSWER: 40 C

20. 2. What is the value of the
speed of Sound Waves in air
at 00 C ?
ANSWER:
Vo = 332 m/s

21. 3. Give the value of 1 atm.
Pressure in pascal ?
ANSWER:
1.013 X 105 pascal

22. 4. What is the smallest unit of
Length?
ANSWER:
Fermi = 10-15 m

23. BUZZER ROUNDS
RULES FOR BUZZER ROUND -
Questions will be shown on the screen.
The team who press the buzzer first, will be allowed to give
the answer. There will be 10 marks for correct answer and 5
for wrong.

24. ROUND - 1
BUZZER ROUNDS

25. 1. An artificial satellite do not have
any fuel but even then it remains
orbiting around the earth. Explain .
Why?
ANSWER:
The necessary centipeter force is
gaines v/s gravitational force.

26. 2. Why the space rockets are
generally launched from west to
east?
ANSWER:
Since the earth revolves from west
to east so relative velocity of rocket
becomes =(Vrockert veerik)

27. 3. End of glass rod becomes
round on heating. Why?
ANSWER:
Due to surface tension.

28. 4. Why hot soup tastes better than
cold soup?
ANSWER:
Because hot soup spreads over a
larger area of the tongue.

29. ROUND 2
BUZZER ROUNDS

30. 1. It is difficult to separate the paper
sheets joined together with fevicol .
Why?
ANSWER:
This is because the force of adhesion
between the paper and fevicol is very
large.

31. 2. Why do clouds float in the
sky?
ANSWER:
The terminal velocity of tiny drops
of water is negligible.

32. 3. Machine parts are jammed in
winter. Why?
ANSWER:
In winter, the lubricating oil used in
machine becomes more viscous.

33. 4. Why are the bridges and dams
declared unsafe after long use?
ANSWER:
Due to the repeated stress and
strain, the material used in bridges
loses elastic strength.

34. VISUAL ROUND
RULES FOR visual ROUND
In 7TH round, a photograph of a physician will be shown on
screen to identifies the person.
In 8th round, a circuit diagram will be shown on the screen to
find out the error in the circuit and to justify the answer.
10 marks for correct answer
-5 marks for wrong answer

35. ROUND - 1
VISUAL ROUND

36. 1

37. 2

38. 3

39. 4

40. 5

41. VISUAL ROUND
ROUND 2

42. 1

43. 2

44. 3

45. 4

46. RAPID FIRE ROUND
RULES FOR RAPID ROUND
There will be 5 questions in each round .
The maximum time for answer for the question is only 60
second.
Questions will be shown to the team on the screen.
+ 5 marks for correct answer
- 5 marks for wrong answer
The students may pass the question, if he does not give the
answer of any particular question to save his time.

47. 1. Which instrument is used to
measure the intensity of sound ?
ANSWER: Audiometer.

48. 2. What is the angle of dip at the
magnetic poles of the earth?
ANSWER: 900

49. 3. What is the normal temperature
of Human Body in 0 C
ANSWER: 370C

50. 4. Name the experiment responsible
for the discovery of the atomic
nucleus?
ANSWER:
Rutherford’s α-particles scattering
experiment.

51. 5. What is the number of images
of an object placed between two
parallel plane mirrors ?
ANSWER: Infinite

52. 6. Which instrument is used to
measure heat radiation?
ANSWER: Bolometer

53. 7. Name the Galaxy, in which the
Earth is located.
ANSWER: Milky Way

54. 8. Out of three modes of heat
transmission, Which is the fastest
one?
ANSWER: Radiation

55. 9. Which one has greater critical
angle, diamond or water ?
ANSWER: Water(48.750)

56. 10. At what temperature intrinsic
semiconductors behave like a perfect
insulator?
ANSWER: 0(zero) K

57. 11. Which instrument is used for
listening or recording to under
water sound?
ANSWER: Hydrophone

58. 12. Conductors have a high or low
resistance.
ANSWER: Low

59. 13. At which temperature does
all molecular motion cease?
ANSWER:
Zero Kelvin (O K),- 2730 C

60. 14. On which principle, The Kirchhoff
II law is based?
ANSWER:
Conservation law of Energy.

61. 15. How much energy is released
in fission of one U-235 nuclei?
ANSWER:
About 200 Mev

62. 16. Which instrument is used to
examine internal parts of the body ?
ANSWER: Endoscope

63. 17. On which principle , transformer
works.
ANSWER: Mutual Induction

64. 18. What is the time period of
second’s pendulum?
ANSWER: 2 Sec.

65. 19. What will be the path of a changed
particle moving perpendicular to a
uniform magnetic field?
ANSWER: Circular

66. 20. What is the least distance of
distinct vision for normal eye?
ANSWER: 25 cm.

67. VIEWER
ROUND

68. 21. Why are danger signals
made of red color?
ANSWER:
Due to least scattering of red
color.

69. 22. Which instrument is used to
measure the curvature of spherical
object?
ANSWER: Spherometer

70. 23. Which lens is used as a simple
microscope?
ANSWER: Convex lens

71. 25. Which layer of the Earth’s
atmosphere is useful in long
distance radio transmission.
ANSWER: Ionosphere

72. 26. Who discovered X-Rays?
ANSWER: W.K. Roentgen

73. 24. To which wavelength of light , our
eyes are most sensitive?
ANSWER: 55000A