EASY
8th CBSE
IMPORTANT
Earn 100

We can see a non-luminous object when light

70.59% studentsanswered this correctly

Important Questions on Light

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 5
A small hole P  is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure. The pencil of light coming out of the hole falls on a mirror. At what point should the eye be placed so that the hole can be seen?

 

Question Image

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 6
How does the eye change in order to focus on near or distant objects?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 7

In the figure of the human eye, the cornea is represented by the letter.

Question Image

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 8
The change in converging power of an eye lens is caused by the action of:
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 9

Light is falling on surfaces S1, S2, S3 as shown in the figure.

Question Image

Surfaces on which the angle of incidence is equal to the angle of reflection is/are

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 10
Which of the following statements is correct regarding rods and cones in the human eye?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 1
According to the law of reflection, the angle of _____ equals to the angle of reflection.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 16 - Light>Chapter Practice>Q 2
A person1 m in front of a plane mirror seems to be _____ m away from his image.