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

What is the colour of an object that absorb all the light that hits it.

Question # 2

Speed of light through glass is about.

Question # 3

In a convex mirror, focus is.

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Speed of light through water is about.

Question # 8

Which type of image is formed in Plane Mirror.

Question # 9

Speed of light through air is about.

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 Image distance for a virtual image is always taken.
A. Zero
B. +2
C. Positive
D. Negative
2 The image formed by a convex mirror is.
A. Real and upright
B. Real and inverted
C. Virtual and upright
D. Virtual and inverted
3 Speed of light through air is about.
A. 300000 km/s
B. 250000 km/s
C. 225000 km /s
D. 200000 km /s
4 It takes about.......... minutes for light from the Sun to reach the Earth.
A. 6
B. 7
C. 8
D. 9
5 In a convex mirror, focus is.
A. Under the mirror
B. In front of the mirror
C. On the mirror
D. Behind the mirror
6 Which of the following type of mirror can form an image larger than the object.
A. Plane
B. Convex
C. Concave
D. All of these
7 Speed of light is denoted by.
A. l
B. s
C. d
D. c
8 Through which of the following the light travels the fastest.
A. Prism
B. Water
C. Air
D. Vacuum
9 Speed of light through water is about.
A. 300000 km/s
B. 250000 km/s
C. 225000 km /s
D. 200000 km/s
10 Angle of incidence is equal to he angle of reflection ,It is first law of.
A. Refraction
B. Dispersion
C. Reflection
D. Diffraction

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