# NSO Level 1- Science Olympiad (SOF) Class 7: Questions 13 - 19 of 593

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## Question number: 13

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MCQ▾

### Question

Which of the following is not an insulator?

### Choices

Choice (4) Response

a.

Iron

b.

Ebonite

c.

Mud

d.

Asbestos

## Question number: 14

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MCQ▾

### Question

Image, which formed behind the mirror and cannot capture on screen, is called:

### Choices

Choice (4) Response

a.

Real image

b.

Virtual image

c.

Inverted image

d.

Laterally inverted image

## Question number: 15

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MCQ▾

### Question

What is the mixed number represented by P on the given number line?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 16

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MCQ▾

### Question

Concave mirror is called:

### Choices

Choice (4) Response

a.

Diverging mirror

b.

Converging mirror

c.

Inverting mirror

d.

None of the above

## Question number: 17

» Heat

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MCQ▾

### Question

Three balls are joined by a metal rod. P = 40°C , Q = 80°C, R = 40 °C. What will be the direction of flow of heat?

### Choices

Choice (4) Response

a.

P→Q←R

b.

P←Q→R

c.

P→Q→R

d.

P←Q←R

## Question number: 18

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MCQ▾

### Question

A number is divided by 4 and multiplied by the square of a second number. The product is then divided by two. Write the algebraic term for the given statements using as the first number and as the second number.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 19

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MCQ▾

### Question

Which of the following mirror is used to form smaller image of bigger field of view?

### Choices

Choice (4) Response

a.

Plane Mirror

b.

Convex Mirror

c.

Concave Mirror

d.

Question does not provide sufficient data or is vague

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