Unit 12 MCQ from Exercise
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Physics 10th Unit 12
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Question 1 of 10
1. Question
Which of the following quantity is not changed during refraction of light?
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Question 2 of 10
2. Question
A converging mirror with a radius of 20 cm creates a real image 30 cm from the
mirror. What is the object distance?Correct
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Question 3 of 10
3. Question
An object is placed at the center of curvature of a concave mirror. The image
produced by the mirror is locatedCorrect
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Question 4 of 10
4. Question
An object is 14 cm in front of a convex mirror. The image is 5.8 cm behind the mirror.
What is the focal length of the mirror?Correct
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Question 5 of 10
5. Question
The index of refraction depends on
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Question 6 of 10
6. Question
Which type of image is formed by a concave lens on a screen?
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Question 7 of 10
7. Question
Which type of image is produced by the converging lens of human eye if it views a
distant object?Correct
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Question 8 of 10
8. Question
Image formed by a camera is
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Question 9 of 10
9. Question
If a ray of light in glass is incident on an air surface at an angle greater than the critical
angle, the ray willCorrect
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Question 10 of 10
10. Question
The critical angle for a beam of light passing from water into air is 48.8 degrees.
This means that all light rays with an angle of incidence greater than this angle
will beCorrect
Incorrect
