MEDIUM
8th CBSE
IMPORTANT
Earn 100

While making a kaleidoscope, if you want to increase the number and intricacies of designs formed what would you do?

Important Questions on More about Light

EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 1
According to the laws of reflection, angle of incidence is _____ (equal/different) to the angle of reflection.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 1
_____ (Mirror/Wood) creates illumination.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 1
Periscope is an instrument based on the principle of _____(multiple refraction/multiple reflection).
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 1
If the angle between the incident ray and the reflected ray is 60 degrees, the angle reflection is _____degrees.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 1
If the angle of incidence is _____ (ninety/zero) the incident ray strikes the surface normally.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 2
Answer in one word:
These aids include devices that can magnify objects. (Auditory aids/Visual aids)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 2
Answer in one word:

The region where the retina meets the optic nerve and does not contain any light-sensitive cells. (Blind spot/Cornea)

EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 16 - More about Light>TRACK YOUR PROGRESS>Q 2
Choose one from the following:

This lens is used to correct the myopic vision. (Convex lens/Concave lens)