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The incident ray, reflected ray and normal to the reflecting surface at the incident point all never lie in same plane.

  • True
  • False

Answer: Option B

Similar Questions :

1. Atom is the smallest part of matter which takes part in chemical reactions.

  • True
  • False

Answer: Option A

2. Marie and Pierre Curie invented

  • Radio
  • Radium
  • Radar
  • Refrigerator

Answer: Option B

Explanation:

Marie and Pierre Curie of France invented Radium in 1898,

Radio was invented by G. Marconi of England in 1901,

Radar was invented by Dr. A.H. Taylor and L.C. Young of USA in 1922,

Refrigerator was invented by J. Harrison and A. Catlin of Britain in 1834.

3. The incident ray, reflected ray and normal to the reflecting surface at the incident point all never lie in same plane.

  • True
  • False

Answer: Option B

4. If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this ?

  • Newton first law
  • Newton second law
  • Newton third law
  • Principle of conservation of linear momentum

Answer: Option D

5. Atmospheric pressure is measured by

  • Tonometer
  • Pyrometer
  • Barometer
  • Thermometer

Answer: Option C

Read more from - Physics Questions Answers
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