Class 8 Science Chapter 16 MCQ

Class 8 Science Chapter 16 MCQ (Multiple Choice Questions) of Light free to use without any login or password updated for new academic session 2021-2022. The complete chapter 16 of class 8 science is covered though NCERT including all the main concepts of the chapter.

All the questions are important in examination point of view. Answers and explanation of each equation is also given, so that students can understand easily.

Class 8 Science Chapter 16 MCQ for 2021-2022

Class: 8Science
Chapter: 16Light
Contents: MCQ with Answers and Explanation

MCQ Tests with Answers for Class 8 Science Chapter 16

Q1

The angle of reflection is equal to the angle of incidence:

[A]. Always
[B]. Sometimes
[C]. Under special conditions
[D]. Never
Q2

The image formed by plane mirror is:

[A]. Virtual, behind the mirror and enlarged.
[B]. Virtual, behind the mirror and of the same size as the object.
[C]. Real, at the surface of the mirror and enlarged.
[D]. Real, behind the mirror and of the same size as the object.
Q3

The least distance of distinct vision for a young adult with normal vision is about:

[A]. 25 m
[B]. 2.5 cm
[C]. 25 cm
[D]. 2.5 m
Q4

The image of an object formed by a plane mirror is:

[A]. Virtual
[B]. Real
[C]. Diminished
[D]. Upside-down




Q5

Which of the following is a non-luminous object?

[A]. Sun
[B]. Star
[C]. Moon
[D]. Fire
Q6

As the angle between two plane mirrors is decreased gradually, the number of images of an object placed between them:

[A]. Increases gradually
[B]. Decreases gradually
[C]. First increases then decreases
[D]. First decreases then increases



Q7

Consider the following statements and choose the correct one:

[A]. Rods are the rod-shaped cells present in the retina of an eye which are sensitive to dim light.
[B]. Cones are the cone shaped cells present in the retina of an eye which are sensitive to bright light or normal light.
[C]. The blind spot is a small area of the retina insensitive to light where the optic nerve leaves the eye.
[D]. All the above.
Q8

The change in converging power of an eye-lens is caused by the action of:

[A]. Iris
[B]. Ciliary muscles
[C]. Optic nerve
[D]. Retina
Q9

The size of the pupil of the eye is adjusted by:

[A]. Cornea
[B]. Ciliary muscles
[C]. Optic nerve
[D]. Iris
Q10

Reflection is:

[A]. Absorption of light rays by the surface of an object
[B]. Passing of light rays through the surface of an object
[C]. Bouncing back of light rays from the surface object
[D]. None of these

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