Class 7 Light CBSE Questions & Answers

Class 7 · Light

This is Science Class 7 Light CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which type of image can be obtained on screen?
  • A
    Virtual and inverted image
  • B
    Virtual and erect image
  • C
    Real and erect image
  • D
    Real and inverted image
    Correct
2
Which of the following will not form circular shadow
  • A
    Shoe box
    Correct
  • B
    A ball
  • C
    A circular disk
  • D
    Ice-cream cone
3
In which type of mirror image is always laterally inverted?
  • A
    Convex mirror
  • B
    Concave mirror
  • C
    Biconcave mirror
  • D
    Plane mirror
    Correct
4
Shadow is formed by
  • A
    Opaque object
    Correct
  • B
    All of these.
  • C
    Translucent object
  • D
    Transparent object
5
Which of the following is not a luminous object
  • A
    Sun
  • B
    Glow worm
  • C
    Burning gas lantern
  • D
    Unlit candle
    Correct
6
Which of the following is not a luminous body?
  • A
    Bulb
  • B
    Tube light
  • C
    Sun
  • D
    Mirror
    Correct
7
The angle between incident ray and normal is called
  • A
    Angle of incident
    Correct
  • B
    Angle of refraction
  • C
    Angle of reflection
  • D
    Angle of deviation
8
The path of the light is visible in
  • A
    In gaseous medium only
  • B
    In absence of medium
  • C
    In any medium
  • D
    Presence of dispersing medium
    Correct
9
From a source, light travels as rays which are
  • A
    Divergent
  • B
    Convergent
  • C
    Parallel
    Correct
  • D
    Diffused
10
Light consists of
  • A
    Longitudinal wave
  • B
    Radio wave
  • C
    Transverse wave
  • D
    Electromagnetic waves
    Correct
11
When a rays of light from rarer to denser it will
  • A
    Pass straight
  • B
    Bends towards the normal
    Correct
  • C
    Bend away from the normal
  • D
    Return into same medium
12
Dentist use concave mirror because as it forms
  • A
    Magnified image
    Correct
  • B
    Erect image
  • C
    Diminished image
  • D
    Inverted image
13
Bending of rays of light when passes from one medium to another medium is called
  • A
    Reflection of light
  • B
    Dispersion of light
  • C
    Refraction of light
    Correct
  • D
    Scattering of light
14
Which is a natural luminous body?
  • A
    Sun
    Correct
  • B
    Moon
  • C
    Burning candle
  • D
    Burning lamp
15
Transparent substance having at least one curved surface is called
  • A
    Prism
  • B
    Lens
    Correct
  • C
    Mirror
  • D
    Glass slab