EASY
7th ICSE
IMPORTANT
Earn 100

State two uses of a plane mirror.

Important Questions on Light Energy

EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 24
Can light travel in vacuum?
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 25
State the speed of light in (a) air (b) glass.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 26
State whether the light slows down or speeds up when it is going from air to glass.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 26
State whether the light slows down or speeds up when it is going from glass to water.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 26
State whether the light slows down or speeds up when it is going from water to air.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 27
What are primary colours? Name the three primary colours.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 28
What are secondary colours? Name the three secondary colours.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 4 - Light Energy>TEST YOURSELF>Q 29
Blue+ _____ =Cyan