Light - Reflection and Refraction (NSO Level 1- Science Olympiad (SOF) Class 10): Questions 1 - 6 of 62

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Passage

Directional: Read the passage carefully and the answer the below two question

An object is placed at a distance of in front of a concave mirror. It forms a real image four times larger than object.

Question number: 1 (1 of 2 Based on Passage) Show Passage

» Light - Reflection and Refraction

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MCQ▾

Question

What is distance of the image from the mirror?

Choices

Choice (4) Response

a.

40 cm

b.

58 cm

c.

42 cm

d.

48 cm

Question number: 2 (2 of 2 Based on Passage) Show Passage

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MCQ▾

Question

Which is a formula use for Magnification?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Light - Reflection and Refraction

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MCQ▾

Question

Choose correct one? Use of concave mirror is seen in

Choices

Choice (4) Response

a.

Solar furnaces

b.

For shaving

c.

Torches, searchlights and vehicles headlights

d.

All a. , b. and c. are correct

Question number: 4

» Light - Reflection and Refraction

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MCQ▾

Question

If the absolute refractive indices of water, glass and diamond are 1.33,1.50 and 2.42, respectively, then which medium is optically densest?

Choices

Choice (4) Response

a.

Water

b.

Diamond

c.

Glass

d.

None of the above

Question number: 5

» Light - Reflection and Refraction

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MCQ▾

Question

Read the given statement and mark the correct option.

Statement 1: Convex mirror in object and image is perpendicular to the mirror

Statement 2: Convex mirror has used in security mirror and side view mirrors in cars

Choices

Choice (4) Response

a.

Only statement 2 is correct

b.

Statements 1 and 2 are incorrect

c.

Statements 1 and 2 are correct

d.

Only statement 1 is correct

Question number: 6

» Light - Reflection and Refraction

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MCQ▾

Question

Read the given statement and mark the correct option.

Statement 1: Image formed by plane mirror is real, upright, and smaller than object

Statement 2: Uses of plane mirror in telescope

Choices

Choice (4) Response

a.

Statements 1 and 2 are incorrect

b.

Statements 1 and 2 are correct

c.

Only statement 1 is correct

d.

Only statement 2 is correct

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