EASY
8th ICSE
IMPORTANT
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A concave mirror is also known as a diverging mirror.

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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 A
The focal length of a spherical mirror is twice the radius of curvature.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q A
While sketching ray diagrams, the object should always be kept in front of the polished surface.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q A
A ray of light incident at the pole of a spherical mirror is reflected along a path, making the same angle with the principal axis, as the incident ray does.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q A
A ray of light parallel to the principal axis, after reflection from a concave mirror, will pass through the centre of curvature.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q B
A _____ image can be obtained on a screen.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q B
The _____ of a mirror denotes its size(aperture/ centre of curvature/focal length).
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q B
The length of the straight line joining two opposite extreme points on the periphery of a spherical mirror is called _____.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 5 - Light Energy>Check your progress>Q B
The centre of the hollow sphere of which a spherical mirror forms a part is called its _____ (centre of curvature / radius of curvature).