EASY
8th ICSE
IMPORTANT
Earn 100

The centre of the hollow sphere of which a spherical mirror forms a part is called its (centre of curvature / radius of curvature).

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Important Questions on Light Energy

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q B
A virtual image is always _____.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q B
In a concave mirror, an incident ray passing through the focus is reflected parallel to the _____.
MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Think and answer
Why can concave mirrors not be used as rearview mirrors in vehicles? 
MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Think and answer>Q *
A ray of light travelling in medium A (μ=1) enters medium B (μ=1.4). Will the ray of a light bend towards or away from the normal? 
MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Think and answer>Q *

A ray of light travelling in medium A (μ=1) enters medium B (μ=1.4). In which medium will the speed of light be more?

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q 1
Define refraction. State the two laws of refraction.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q 2
What is the speed of light in a vacuum? 
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q 3
Define refractive index.