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Orbital speed of a satellite is dependent of its mass.

  • True
  • False

Answer: Option B

Explanation:

Orbital speed of a satellite is independent of its mass.

Similar Questions :

1. David Hughes invented

  • Machine Gun
  • Microphone
  • Microscope
  • Motorcycle

Answer: Option B

Explanation:

David Hughes of USA invented Microphone in 1878,

Machine Gun was invented by Richard Gatling of USA in 1861,

Microscope was invented by Z. Jansen of Netherlands in 1590,

Motorcycle was invented by Edward Butler of England in 1884.

2. Which instrument is used to measure the scattering of light by particles suspended in a liquid ?

  • Nephetometer
  • Ohmmeter
  • Ondometer
  • Pyrometer

Answer: Option A

Explanation:

Ohmmeter - is used to measure electrical resistance in ohms,

Ondometer - is used to measure frequency of electromagnetic waves,

Pyrometer - is used to measure very high temperature.

3. What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it ?

  • Elasticity
  • Strain
  • Elastic Limit
  • Stress

Answer: Option C

4. What is Hooke's Law ?

  • Stress is inversely proportional to strain.
  • Stress is directly proportional to strain.
  • Stress and strain are dependent on each other.
  • Stress and strain are independent of each other.

Answer: Option B

5. The rotational effect of a force on a body about an axis of rotation is described in terms of

  • Centre of gravity
  • Centripetal force
  • Centrifugal force
  • Moment of force

Answer: Option D

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