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Science Light - Reflection and Refraction Class 10 MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 10 · Science · CBSE

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Chapter 9 Class 10 - Light - Reflection and Refraction | 10 questions | about 8 minutes

Practise Light - Reflection and Refraction Class 10 with Teachoo's 10 Question MCQ (including Assertion) (Class 10 · Science · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
CBSE Board Exam 2016
In the following ray diagram, the correctly marked angle are:
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Question 2 of 10
NCERT Exemplar
A 10 mm long all pin is placed vertically in front of a concave mirror. A 5 mm long image of the all pin is formed at 30 cm in front of the mirror. The focal length of this mirror is
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Question 3 of 10
NCERT Exemplar
Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
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Question 4 of 10
NCERT Exemplar
Figure 10.1 shows a ray of light as it travels from medium \(A\) to medium \(B\). Refractive index of the medium \(B\) relative to medium \(A\) is
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Question 5 of 10
NCERT Exemplar
Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in Figure 10.6?
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Question 6 of 10
CBSE Board Exam 2017
A student very cautiously traces the path of a ray through a glass slab for different values of the angle of incidence (∠i). He then measures the corresponding values of the angle of refraction (∠r) and the angle of emergence (∠e) for every value of the angle of incidence. On analyzing these measurements of angles, his conclusion would be
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Question 7 of 10
CBSE Board Exam 2016
A teacher sets up the stand carrying a convex lens of focal length 15 cm at 42.7 cm mark on the optical bench. He asks four students A, B, C and D to suggest the position of the screen on the optical bench so that a distinct image of a distant tree is obtained almost immediately on it. The positions suggested by the students were as:
(i) 12.7 cm
(ii) 29.7 cm
(iii) 57.7 cm
(iv) 72.7 cm

The correct position of the screen was suggested by
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Question 8 of 10
CBSE Board Exam 2020
The laws of reflection hold true for:
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Question 9 of 10
NCERT Exemplar
A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in the Figure 10.4. Which of the following could be inside the box?
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Question 10 of 10
CBSE Board Exam 2017
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device
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