Question # 1

Speed of light is denoted by.

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l

s

d

c

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

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Refraction

Dispersion

Reflection

Diffraction

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

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Black

Green

White

Red

The image formed by a convex mirror is.

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Real and upright

Real and inverted

Virtual and upright

Virtual and inverted

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

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6

7

8

9

Speed of light through water is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km/s

The pole of spherical mirror is also called.

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Principal axis

Focus

Vertex

Focal leangth

What happens when light hits a shiny or smooth surface.

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It is disappeared

It is refracted

It is absorbed

It is reflected

Speed of light through air is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km /s

Speed of light through glass is about.

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300000 km /s

250000 km/s

225000 km /s

200000 km/s

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General Science 8th Class English Medium Chapter 9 Online Test MCQs With Answers

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