EASY
8th ICSE
IMPORTANT
Earn 100

An incident ray passing through the focus of a convex mirror goes undeviated after reflection.

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Important Questions on Light Energy

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C

A concave mirror is used in solar heaters.

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C

A real image is always erect.

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C

Light travels faster in the air than in water. 

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C

The ray of light emerging out of a glass slab is always parallel to the incident ray.

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C

A prism is a glass block that has a rectangular cross-section, formed by three triangular faces.

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C

The angle through which the incident ray is deviated by the prism is called the angle of deviation.

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q C
A rainbow is formed because water droplets of the atmosphere behave like glass slabs.
HARD
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Exercises>Q D

Match the columns.

POSITION OF THE OBJECT IN FRONT OF A CONCAVE MIRROR NATURE OF THE IMAGE
1. At infinity a. Real, inverted and diminished
2. Between F and P b. Real, inverted and enlarged
3. Beyond C c. Real, inverted and highly diminished
4. Between C and F d. Real, inverted and same size as the object
5. At C e. Virtual, erect and enlarged