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Which law is also called law of inertia ?

  • Newton first law
  • Newton second law
  • Newton third law
  • All of above

Answer: Option A

Similar Questions :

1. Light year is a unit of

  • Time
  • Light
  • Distance
  • Intensity of light

Answer: Option C

2. Which instrument is used to determine the intensity of colours ?

  • Cathetometer
  • Chronometer
  • Colorimeter
  • Commutator

Answer: Option C

Explanation:

Cathetometer - is used to determine heights,

Chronometer - is used to longitude of a vessel at sea,

Commutator - is used to convert AC to DC.

3. Which law is also called law of inertia ?

  • Newton first law
  • Newton second law
  • Newton third law
  • All of above

Answer: Option A

4. Solar cell converts

  • Sound energy into electrical energy
  • Electrical energy into mechanical energy
  • Solar energy into electrical energy
  • Electrical energy into light energy

Answer: Option C

5. The angle of reflection is equal to the angle of incidence.

  • True
  • False

Answer: Option A

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