Academic Category


Todays' Thought
Man, alone, has the power to transform his thoughts into physical reality; man, alone, can dream and make his dreams come true.
- Napoleon Hill
केवल इंसानों में अपने विचारों को भौतिक वास्तविकता में बदलने की शक्ति होती है, केवल इंसान सपने देख सकता है और उन्हें साकार कर सकता है |
- नेपोलियन हिल


    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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