Olympiad Test: Light - 1


20 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Light - 1


Description
This mock test of Olympiad Test: Light - 1 for Class 7 helps you for every Class 7 entrance exam. This contains 20 Multiple Choice Questions for Class 7 Olympiad Test: Light - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Olympiad Test: Light - 1 quiz give you a good mix of easy questions and tough questions. Class 7 students definitely take this Olympiad Test: Light - 1 exercise for a better result in the exam. You can find other Olympiad Test: Light - 1 extra questions, long questions & short questions for Class 7 on EduRev as well by searching above.
QUESTION: 1

A substance which transmits most of the light rays incident on it is called

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QUESTION: 2

The distance between the sun and the earth is

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QUESTION: 3

Which of the following is a natural source of light

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QUESTION: 4

Light is

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QUESTION: 5

The earth light can be seen from

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Earth is a non-luminous body and does not emit any light. 

QUESTION: 6

The speed of light is

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QUESTION: 7

The speed of light is

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The speed of light decreases with an increase in the density of the medium. 

QUESTION: 8

Image formed by plane mirror is always

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QUESTION: 9

An image obtained on screen is

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QUESTION: 10

Which of the following letters will be seen without any change in a plane mirror?

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T is a laterally symmetrical object and hence its image in a plane mirror would be the same as itself.

QUESTION: 11

A source of light is

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QUESTION: 12

As the distance of source increases

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The energy of the light keeps on getting absorbed and transformed as it moves through a medium. Therefore, its intensity decreases.

QUESTION: 13

Which of the following statement is true?

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QUESTION: 14

A spherical mirror with its reflecting surface on the outside is a

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QUESTION: 15

Which of the following is luminous?

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Objects that can emit light energy by themselves are known as luminous objects.

These objects can cause a sensation of light.

The luminous objects are visible as they emit light on their own.

QUESTION: 16

Which of the following is transparent?

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QUESTION: 17

Which of the following is opaque?

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QUESTION: 18

Shadows are formed because

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QUESTION: 19

A magnifying glass is nothing but

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QUESTION: 20

Following conditions are true for virtual image

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