Academic Category


Todays' Thought
Failure comes only when we forget our ideals and objectives and principles.
- Jawaharlal Nehru
असफलता तभी आती है जब हम अपने आदर्श, उद्देश्य, और सिद्धांत भूल जाते हैं |
- जवाहरलाल नेहरु


    Physics Question & Answer in English

11.
First law of thermodynamics stales that.
A.  System can do work
B.  System has pressure
C.  System has energy
D.  Heat is a form of energy

12.
Velocity of sound is maximum in -
A.  Air
B.  Vacuum
C.  Water
D.  Steel

13.
In an isothermal change an ideal gas obeys.
A.  Boyle’s Law
B.  Gaylussac Law
C.  Charle’s Law
D.  None of these

14.
Electron volt is a unit of -
A.  Charge
B.  Momentum
C.  Energy
D.  Potential difference

15.
Light year is a unit of -
A.  Time
B.  Mass
C.  Energy
D.  Distance

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