EASY
8th ICSE
IMPORTANT
Earn 100

State the speed of light in water.

Important Questions on Light Energy

EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B

State the speed of light in glass.

MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B
How does the speed of light determine the optical density of a medium?
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B
Which is optically denser - water or air? Give reason.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B
Out of air and glass, which is optically rarer? Give reason.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B
What do you understand by refraction of light?
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B
Describe an experiment to show that a light ray bends when it passes from one transparent medium into another transparent medium.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B
Draw a ray diagram to show that the depth of a vessel containing water when seen from above, appears to be less than its real depth.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q B

Define incident ray, refracted ray, angle of incidence and angle of refraction.