EASY
8th CBSE
IMPORTANT
Earn 100

What is a periscope? How many mirrors are there are in a periscope?

Important Questions on Light

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 50
State the various uses of a periscope.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 51
Explain how a hairdresser makes you see hair at the back of your head after the hair cut is complete.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 52
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at the following angles to one another:120° 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 53

Two plane mirrors are set at right angles to each other. A coin is placed in-between these two plane mirrors. How many images of the coin will be seen ?

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 54
How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 55
Explain why, when an object is placed between two plane mirrors inclined at an angle, then multiple images are formed.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 56
How can you show that white light (say, sunlight) consists of seven colours?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 16 - Light>Short Answer Type Questions>Q 57
What information do you get about sunlight from the formation of a rainbow?