# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 366 - 369 of 2320

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## Question number: 366

Edit
MCQ▾

### Question

A constant torque of 1000 N -m, turns a wheel of moment of inertia 200 kg -m 2 about an axis passing through the center. Angular velocity of the wheel after 3 s will be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 367

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

Rain is falling vertically downwards with velocity 6 km/h. A man walks with a velocity of 8 km/h. Relative velocity of rain w. r. t. the man is 10 km/h.

### Reason (Ꭱ)

Relative velocity is the ratio of two|velocities.

### Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

## Question number: 368

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MCQ▾

### Question

The angular momentum of a system of particles is conserved

### Choices

Choice (4)Response

a.

When no external impulse acts upon the system

b.

When no external force acts upon the system

c.

When axis of rotation remains same

d.

When no external torque acts upon the system

## Question number: 369

Edit
MCQ▾

### Question

A constant torque acting on a uniform circular wheel changes its angular momentum from Aq to 5Aq in 4 seconds. The magnitude of this torque is

### Choices

Choice (4)Response

a.

b.

c.

d.

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