8th Class General Science Chapter 9 Online MCQs Test - Practice & Improve

MCQ's Test For Chapter 9 "General Science 8th Class English Medium Chapter 9 Online Test"

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General Science 8th Class English Medium Chapter 9 Online Test

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Question # 1

It takes about.......... minutes for light from the Sun to reach the Earth.

Question # 2

When light falls on transparent object such as air, water, glass ,etc. It passes through them unchanged, it is called.

Question # 3

-------------------- is/are used to coat the backside of the mirror.

Question # 4

Speed of light through water is about.

Question # 5

The image formed by a convex mirror is.

Question # 6

Speed of light through glass is about.

Question # 7

The pole of spherical mirror is also called.

Question # 8

In a convex mirror, focus is.

Question # 9

Angle of incidence is equal to he angle of reflection ,It is first law of.

Question # 10

There are ......... types of reflection

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9th Chapter

8th General Science English Medium Chapter 9 Test

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8th General Science (English Medium) Chapter 9 Important MCQ's

Sr.# Question Answer
1 There are ......... types of reflection
A. 2
B. 3
C. 4
D. 5
2 Image distance for a virtual image is always taken.
A. Zero
B. +2
C. Positive
D. Negative
3 Through which of the following the light travels the fastest.
A. Prism
B. Water
C. Air
D. Vacuum
4 Speed of light through water is about.
A. 300000 km/s
B. 250000 km/s
C. 225000 km /s
D. 200000 km/s
5 When light falls on transparent object such as air, water, glass ,etc. It passes through them unchanged, it is called.
A. Absorption
B. Reflection
C. Transmission
D. Diffusion
6 The image formed by a convex mirror is.
A. Real and upright
B. Real and inverted
C. Virtual and upright
D. Virtual and inverted
7 Speed of light through air is about.
A. 300000 km/s
B. 250000 km/s
C. 225000 km /s
D. 200000 km /s
8 What is the colour of an object that absorb all the light that hits it.
A. Black
B. Green
C. White
D. Red
9 The pole of spherical mirror is also called.
A. Principal axis
B. Focus
C. Vertex
D. Focal leangth
10 Speed of light through glass is about.
A. 300000 km /s
B. 250000 km/s
C. 225000 km /s
D. 200000 km/s

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