# 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

Edit
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

» Light - Reflection and Refraction

Edit
MCQ▾

### Question

Which is a formula use for Magnification?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 3

» Light - Reflection and Refraction

Edit
MCQ▾

### Question

Choose correct one? Use of concave mirror is seen in

### Choices

Choice (4)Response

a.

Solar furnaces

b.

For shaving

c.

d.

All a. , b. and c. are correct

## Question number: 4

» Light - Reflection and Refraction

Edit
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

Edit
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

Edit
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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