Solved Physics Quiz Test MCQs With Answers

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Physics Solved MCQs Online Quiz Test

Q.1: The energy radiated is directly proportional to the fourth power of Kelvins temperature is——–?

  1. Karl-Weins law
  2. Rayleigh-Jeans law
  3. Stephens law
  4. Plancks


Q.2: Compton effect proves the——–?

  1. Photon theory of light
  2. Dual nature of light
  3. Wave nature of light
  4. Uncertain nature of light


Q.3: Electron moves in the orbit as——–?

  1. Simple vibratory motion
  2. Standing wave motion
  3. Vibratory motion like up and down
  4. S.H.M likes the sound


Q.4: A lens which converges a beam of parallel rays to a point is called——-?

  1. diverging (or concave) lens
  2. converging (or convex) lens
  3. plano concave lens
  4. plano convex lens


Q.5: The diameter of a lens is called——–?

  1. focal length
  2. principal axis
  3. aperture
  4. radius of curvature


Q.6: Unit of power of a lens is——–?

  1. meter
  2. watt
  3. diopter
  4. horsepower


Q.7: The power of a concave lens is——–?

  1. real
  2. virtual
  3. positive
  4. negative


Q.8: If an object is placed away from 2f of a converging lens then the image will be——–?

  1. real and erect
  2. virtual and erect
  3. real and inverted
  4. virtual


Q.9: Magnifying power of simple microscope——-?

  1. increase with increase in focal length
  2. increase with decrease in focal length
  3. no effect with decrease or increase with focal length
  4. list distance of distinct vision


Q.10: The least distance of distinct vision for a normal eye is——–?

  1. 15 cm
  2. 25 cm
  3. 30 cm
  4. 40 cm