Light MCQ Questions Class 8 Science Chapter 16
NCERT MCQ Questions for Class 8 Science Chapter 16 Light. Light MCQ Questions with Answers from Class 8 Science.
Light MCQ Questions Class 8 Science Chapter 16
Light Multiple Choice Questions with Answers Class 8 Science Chapter 16 PDF is available.
1.) The light ray , which strikes any surface , is called ____ ?
a) Reflected ray
b) Incident ray
Ans. b) Incident ray
2.) The ray that comes back from the surface after reflection is known as ____ ?
a) Reflected ray
b) Incident ray
Ans. a) Reflected ray
3.) The angle between the normal and the incident ray is called ____ ?
a) Angle of reflection
b) Angle of incidence
Ans. b) Angle of incidence
4.) The angle between the normal and the reflected ray is called ____ ?
a) Angle of reflection
b) Angle of incidence
Ans. a) Angle of reflection
5.) The angle of incidence is always ____ the angle of reflection ?
a) Less than
b) Greater than
c) Equal to
Ans. c) Equal to
) The incident ray , the normal at the point of incidence and the reflected ray all lie in the ____ plane ?
a) different
b) Same
Ans. b) Same
7.) Images are formed by ____ reflection ?
a) Diffused
b) Regular
Ans. b) Regular
8.) The objects which shine in the light of the other objects are called _____ objects ?
a) Illuminated
b) Luminous
Ans. a) Illuminated
9.) The objects which emit their own light are known as ____ objects ?
a) Illuminated
b) Luminous
Ans. b) Luminous
10.) Moon is a ____ object ?
a) Illuminated
b) Luminous
Ans. a) Illuminated
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11.) Sun is a ____ object ?
a) Illuminated
b) Luminous
Ans. b) Luminous
12.) ____ is a natural phenomenon showing dispersion ?
a) Lightning
b) Rainbow
Ans. b) Rainbow
13.) Two mirrors inclined to each other give ____ images ?
a) Multiple
b) Single
Ans. a) Multiple
14.) Splitting of light into its constituent colours is known as ____ ?
a) Lateral inversion
b) Dispersion
Ans. b) Dispersion
15.) The most comfortable distance at which one can read with normal eye is about ___ cm ?
a) 30
b) 20
c) 25
Ans. c) 25
16.) ____ cells of retina , are sensitive to bright light ?
a) Cones
b) Rods
Ans. a) Cones
17.) ____ cells of retina , are sensitive to dim light ?
a) Cones
b) Rods
Ans. b) Rods
18.) ____ cells of retina , Sense colour ?
a) Cones
b) Rods
Ans. a) Cones
19.) ____ part of an eye controls the amount of light entering into the eye ?
a) Cornea
b) Pupil
c) Iris
Ans. c) Iris
20.) ____ part of an eye gives it its distinctive colour ?
a) Cornea
b) Pupil
c) Iris
Ans. c) Iris
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