EASY
8th ICSE
IMPORTANT
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Water is optically (denser/rarer) than air.

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Important Questions on Light Energy

EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
Air is optically _____(denser/rarer) than glass.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
When a ray of light travels from water to air, it bends _____(towards/away from) the normal.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
When a ray of light travels from air to glass, it bends _____(towards/away from) the normal.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
When white light passes through a prism, it _____ (reflects/disperses).
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
The splitting of white light into its constituent colours is called _____of white light.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
A _____ (concave/convex) mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
Radius of curvature of a spherical mirror is _____(twice/thrice) its focal length.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 5 - Light Energy>TEST YOURSELF>Q A
The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is _____ (0/90) degrees.