Academic Category


Todays' Thought
If you don’t like something, change it. If you can’t change it, change your attitude.
- Maya Angelou
अगर आप कोई चीज पसंद नहीं करते तो उसे बदल दीजिये, अगर आप उसे बदल नहीं सकते तो अपना नजरिया बदल दीजिये |
- माया एंजिलो


    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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