This document summarizes key topics in physics, including: - Waves, which propagate through a medium and transfer energy, including mechanical and electromagnetic waves. - Motion and examples like simple harmonic, periodic, and oscillatory motion. - Thermodynamics, dealing with energy transfer between systems through heat and work. - The first and second laws of thermodynamics regarding conservation of energy, entropy increases in isolated systems, and heat/work processes. - The zero or third law of thermodynamics regarding entropy at absolute zero. - Young's double slit experiment using monochromatic, coherent light passing through slits.

1. PHYSICS
Presented By
Md Saihan Alam
Presentation
D H A K A I N T E R N A T I O N A L U N I V E R S I T Y

3. PHYSICS-101
WAVE
Wave is a disturbance that propagates
through a medium from one location to
another, usually accompanied by a transfer
of energy.
Two types of waves:
-- Mechanical waves,
-- Electromagnetic waves.

4. MOTION
Motion in physics is the change in an
object's position over time.
Example:
-- Simple hermonic motion
-- Periodic motion
-- Oscillatory motion
PHYSICS-101

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Thermodynamics
• Energy transfer between system and its
surrounding .
• Deals with the transfer of heat and work
between different system
Example : A hot cup of coffee is placed
on a cold countertop
Physics 101

6. • Conservation of energy
• Heat and work are forms of energy transfer and
conversion possible
FIRST LAW OF THERMODYNAMICS
Physics 101
Internal Energy Heat work process :
-- Isovolumetric/Isochronic
process
-- Isothermal process
-- Adiabatic process
-- Isolated process

7. • The law of increasing entropy.
• Entropy increases in an isolated system.
• Impossible to have 100% efficient
Physics 101
SECOND LAW OF THERMODYNAMICS
There is two statement about 2nd law :
-- Kelvin-Plank statement
-- Clausius statement

8. Physics 101
ZERO LAW OR THIRD OF THERMODYNAMICS
• Known as the Nernst Heat Theorem.
• Fundamental law of nature and it's used to
calculate the entropy of a system at
absolute zero.

9. YOUNG DOUBLE
SLIT
EXPERIMENT

10. Young double slit experiment
Physics 101
• Monochromatic Light
• Coherent light
• Small slit
• Bright fringe
• Dark finge

11. THANK YOU
For your Attention