Question # 1

The image formed by a convex mirror is.

Choose an answer

Real and upright

Real and inverted

Virtual and upright

Virtual and inverted

Speed of light through air is about.

Choose an answer

300000 km/s

250000 km/s

225000 km /s

200000 km /s

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

Choose an answer

6

7

8

9

Speed of light through glass is about.

Choose an answer

300000 km /s

250000 km/s

225000 km /s

200000 km/s

Through which of the following the light travels the fastest.

Choose an answer

Prism

Water

Air

Vacuum

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

Choose an answer

Silver

Copper

Aluminium

Silver and Aluminium

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

Choose an answer

2

3

4

5

Image distance for a virtual image is always taken.

Choose an answer

Zero

+2

Positive

Negative

Which type of image is formed in Plane Mirror.

Choose an answer

Real

Real and virtual

Virtual

None of these

The pole of spherical mirror is also called.

Choose an answer

Principal axis

Focus

Vertex

Focal leangth

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer