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All planets move around the sun in elliptical orbits, with the sun being at rest at one focus of the orbit.

  • True
  • False

Answer: Option A

Similar Questions :

1. Energy posses by a body in motion is called

  • Kinetic Energy
  • Potential Energy
  • Both of Above
  • None of Above

Answer: Option A

2. Which instrument is used to measure altitudes in aircraft's ?

  • Audiometer
  • Ammeter
  • Altimeter
  • Anemometer

Answer: Option C

Explanation:

Ammeter - Measures strength of electric current.

Audiometer - Measures intensity of sound.

Anemometer - Measures force and velocity of wind and directions.

3. What is unit of Electrical Capacity ?

  • henry
  • farad
  • volt
  • ohm

Answer: Option B

Explanation:

henry is unit of Magnetic Induction,

volt is unit of Potential Difference,

ohm is unit of Electric Resistance.

4. What is the range of mercury thermometer ?

  • 0 degree Celsius to 350 degree Celsius
  • -10 degree Celsius to 350 degree Celsius
  • -20 degree Celsius to 350 degree Celsius
  • -30 degree Celsius to 350 degree Celsius

Answer: Option D

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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