# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1992 - 1996 of 2184

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## Question number: 1992

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MCQ▾

### Question

A constant torque of 62.8 N-m is exerted on a pivoted wheel. If angular acceleration of wheel is rad/sec 2, then the moment of inertia of the wheel is

### Choices

Choice (4) Response

a.

3 kg-m 2

b.

3.5 kg-m 2

c.

4 kg-m 2

d.

4.5 kg-m 2

## Question number: 1993

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Assertion-Reason▾

### Assertion (Ꭺ)

If earth shrink (without change in mass) to half of its present size, length of the day would become 6 % increase.

### Reason (Ꭱ)

When the size of the earth will change, its moment of inertia will also change.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

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

## Question number: 1994

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MCQ▾

### Question

If the value of ‘g’ at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1995

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MCQ▾

### Question

What would be the angular speed of earth, so that bodies lying on equator may experience weightlessness? (g = 10 m/s 2 and radius of earth = 6400 km)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1996

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

Gravitational force between two particles is negligibly small compared to the electrical force.

### Reason (Ꭱ)

The electrical force is experienced by charged particles only.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false