Andhra Pradesh (English Medium) Std 8 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
According to the law of reflection

(A) Angle of incidence > Angle of Reflection	(B) Angle of incidence < Angle of Reflection
(C) Angle of incidence = Angle of Reflection	(D) No relation between Angle of incidence and Angle of Reflection

Question-2
The geometric centre of a spherical mirror is called its

(A) Centre of curvature	(B) Principal axis
(C) Pole	(D) Focus

Question-3
Velocity of light is least in

(A) Water	(B) Glass
(C) Air	(D) Vacuum

Question-4
Objects which do not allow light through them are called

(A) Transparent Objects	(B) Opaque Objects
(C) Luminous objects	(D) Non Luminous Objects

Question-5
Substances which allow light partially through them are called

(A) Transparent Objects	(B) Translucent Objects
(C) Luminous objects	(D) Non Luminous Objects

Question-6
Mirror which is used as reflector in head lights of vehicles

(A) Concave	(B) Convex
(C) Plane	(D) All the above

Question-7
The objects that can emit light and can act as source of light are called

(A) Transparent Object	(B) Opaque Object
(C) Luminous objects	(D) Non Luminous Objects

Question-8
The angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?

(A) 50⁰	(B) 60⁰
(C) 90⁰	(D) 180⁰

Question-9
The image formed by a plane mirror is

(A) Real	(B) Virtual
(C) Inverted	(D) No image formation

Question-10
The bending of light is called

(A) Reflection	(B) Diffraction
(C) Dispersion	(D) Refraction

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Std 8

Andhra Pradesh (English Medium)

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