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Class 7 Exam  >  Class 7 Tests  >  Science Class 7  >  Test: Light - 2 - Class 7 MCQ

Test: Light - 2 - Class 7 MCQ


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10 Questions MCQ Test Science Class 7 - Test: Light - 2

Test: Light - 2 for Class 7 2024 is part of Science Class 7 preparation. The Test: Light - 2 questions and answers have been prepared according to the Class 7 exam syllabus.The Test: Light - 2 MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Light - 2 below.
Solutions of Test: Light - 2 questions in English are available as part of our Science Class 7 for Class 7 & Test: Light - 2 solutions in Hindi for Science Class 7 course. Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free. Attempt Test: Light - 2 | 10 questions in 10 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study Science Class 7 for Class 7 Exam | Download free PDF with solutions
Test: Light - 2 - Question 1
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What are the characteristics of an image formed by a plane mirror?

Detailed Solution for Test: Light - 2 - Question 1

Images formed by a plane mirror are upright, virtual, and the same size as the object.

Test: Light - 2 - Question 2
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What does the term "dispersion of light through a prism" refer to?

Detailed Solution for Test: Light - 2 - Question 2

Dispersion through a prism involves the separation of different colors in white light as they bend differently.

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Test: Light - 2 - Question 3
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What type of image is formed by a concave lens?

Detailed Solution for Test: Light - 2 - Question 3
A concave lens forms a virtual and erect image. The light rays diverge when they pass through the lens, making the image appear to be on the same side as the object and upright.
Test: Light - 2 - Question 4
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In a mirror maze, why do people see several images of themselves?
Detailed Solution for Test: Light - 2 - Question 4

Mirror mazes utilize the principle of reflection in plane mirrors, creating multiple images of the observer.

Test: Light - 2 - Question 5
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How is a rainbow formed?
Detailed Solution for Test: Light - 2 - Question 5

A rainbow is formed by the refraction and reflection of the sun's rays through raindrops.

Test: Light - 2 - Question 6
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What is a convex mirror used for in security measures in supermarkets, stores, and ATM centers?
Detailed Solution for Test: Light - 2 - Question 6

Convex mirrors are used for security to have a broader view, as they produce virtual, erect, and diminished images.

Test: Light - 2 - Question 7
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What is the characteristic feature of the image formed by a convex lens when the object is placed very close to it?
Detailed Solution for Test: Light - 2 - Question 7

When the object is close to a convex lens, the image formed is virtual, erect, and magnified.

Test: Light - 2 - Question 8
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An image that cannot be obtained on a screen is called __________.
Detailed Solution for Test: Light - 2 - Question 8
An image that cannot be obtained on a screen is called a virtual image. This is because virtual images are formed by the apparent divergence of light rays from a point, rather than the actual convergence that produces a real image.
Test: Light - 2 - Question 9
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If initially David is 4 meters far from the mirror, he moves 1 meter towards a plane mirror, the distance between David and his image will be:
Detailed Solution for Test: Light - 2 - Question 9

When David is 4 meters away from the mirror, the image is also 4 meters away from the mirror, making the total distance between David and his image 8 meters.

If David moves 1 meter closer to the mirror, he will be 3 meters away from it. His image will still be 3 meters behind the mirror, so the new distance between David and his image is:

3 meters (David to mirror)+3 meters (mirror to image)=6 meters.

Thus, the correct answer is c) 6 meters.

Test: Light - 2 - Question 10
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What type of lens is used to correct short-sightedness?
Detailed Solution for Test: Light - 2 - Question 10

Concave lenses are used to correct short-sightedness as they diverge light.

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Important Questions for Light - 2

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Light - 2 MCQs with Answers

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