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TNPSC Physics General Knowledge Questions

General Science
9. The radiation with highest energy is
 
  • A. UV
  • B. IR
  • C. X-ray
  • D. Visible
Answer: C.
X-ray
 
10. X–rays travel with the velocity of
 
  • A. Light
  • B. Sound
  • C. Positive rays
  • D. Alpha rays
Answer: A.
Light
 
 
11. Unit of impulse is
 
  • A. Ns-1
  • B. Ns
  • C. Ns2
  • D. Ns-2
Answer: B.
Ns
 
12. The momentum of a moving body
 
  • A. depends only on mass
  • B. depends only on velocity
  • C. does not depend only on mass
  • D. depends on mass and velocity
Answer: D.
depends on mass and velocity