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Physics quiz 1 - light

This is an exciting quiz about light. Play, win and enjoy it. 8 Questions.

 
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snav2en
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1
Question 1 Photo

Which of the following object can emit light which is a form of energy ?

  • Luminous object
  • Transparent object
  • Non-luminous object
  • Opaque object

2
Question 2 Photo

Which of the following is an example for non-luminous object ?

  • A candle
  • The sun
  • An Electric bulb
  • The moon

3
Question 3 Photo

Which of the following is the phenomenon in which the incident ray falling on a surface is sent back to the same medium?

  • Polarization
  • Reflection
  • Refraction
  • Absorption

4
Question 4 Photo

Which type of reflection takes place when a light ray incidents on a polished surface?

  • Normal
  • Diffused
  • Irregular
  • Regular

5
Question 5 Photo

What is the relationship between the focus and the radius of curvature?

  • F/2 + 1 = R
  • R + 2 = F
  • F = R/2
  • F = 2R

6
Question 6 Photo

If the image formed by the concave mirror is virtual, erect and magnified, then where is the object placed at ?

  • Between the pole of the mirror and the focus
  • Beyond the center of curvature
  • At the center of curvature
  • At the focus

7
Question 7 Photo

Which of the following mirrors is used in a reflecting telescope ?

  • Plane mirror
  • Convex mirror
  • Concave mirror
  • Both A & C

8
Question 8 Photo

What is the minimum size of the plane mirror required to see the image of a man with an height of 6 feet ?

  • 4 feet
  • 6 feet
  • 3 feet
  • 12 feet

 

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