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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. Name of the instrument to measure atomspheric pressure ?

  • Barometer
  • Barograph
  • Bolometer
  • Callipers

Answer: Option A

Explanation:

Barograph - Recordings of atmospheric pressure,
Bolometer - Used to measure heat radiation,
Callipers - Used to measure inner and outer diameters of bodies.

2. Lognitudinal waves and Transverse waves are types of ?

  • Mechanical waves
  • Non-Mechanical waves
  • Both of above
  • None of Above

Answer: Option A

3. Radian is used to measure

  • Temperature
  • Intensity of Flame
  • Angle
  • Solid Angle

Answer: Option C

Explanation:

Kelvin is used to measure Temperature,

Candela is used to measure Intensity of flame,

Steredian is used to measure Solid Angle.

4. 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

5. Atmospheric pressure is measured by

  • Tonometer
  • Pyrometer
  • Barometer
  • Thermometer

Answer: Option C

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