# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1446 - 1451 of 2000

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## Question number: 1446

Edit
Match List-Ⅰ List-Ⅱ▾

### Question

Match the following and choose the correct answer:

List-Ⅰ (Physical Quantities)List-Ⅱ (Units of Physical Quantities)

(A)

Force

(i)

(B)

Acceleration

(ii)

N

(C)

Velocity

(iii)

(D)

Momentum

(iv)

### Choices

Choice (4)Response
• (A)
• (B)
• (C)
• (D)

a.

• (ii)
• (iv)
• (iii)
• (i)

b.

• (ii)
• (iii)
• (iv)
• (i)

c.

• (i)
• (iii)
• (iv)
• (ii)

d.

• (ii)
• (i)
• (iii)
• (iv)

## Question number: 1447

Edit
MCQ▾

### Question

The animals whose body is divided into compartments/segment known as

### Choices

Choice (4)Response

a.

Metamorphosis

b.

Metamerism

c.

Segmentation

d.

None of the above

## Question number: 1448

Edit
MCQ▾

### Question

If inertia of object is more than inertia of object , then which one has more mass?

### Choices

Choice (4)Response

a.

Object B

b.

Object A

c.

Can’t be decide by given data

d.

Object A and Object B have same mass

## Question number: 1449

Edit
MCQ▾

### Question

An object of mass is travelling with velocity collides with an object of mass , which is initially at rest. If both the objects are stuck after collision, then the velocity of the combination is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1450

Edit
MCQ▾

### Question

Which of the following is frequency of an ultrasonic wave?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1451

Edit
MCQ▾

### Question

If a submarine sends out a signal and receives an echo in by a sonar device, then calculate the speed of sound in water if the distance of the submarine is .

### Choices

Choice (4)Response

a.

b.

c.

d.

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