# AIIMS (All India Institute of Medical Sciences) Physics: Questions 490 - 495 of 500

Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

## Question number: 490

Edit

Appeared in Year: 1999

MCQ▾

### Question

Eight equally charged drops are combined to form a big drop. If the potential on each drop is then potential of big drop will be – [AIPMT]

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 491

Edit
MCQ▾

### Question

If the T. V. telecast is to cover a radius of , than the height of transmitting antenna is –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 492

Edit
MCQ▾

### Question

The magnetic flux linked with a coil varies with time, given as, . The induced emf at 2 sec is –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 493

Edit
MCQ▾

### Question

A rotating platform of moment of inertia completes one rotation in 20 seconds. A person of mass is standing at the centre of platform. If the person moves at a distance of from the centre along the radius then find the angular velocity of the platform.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 494

Edit
MCQ▾

### Question

A spherical solid ball of mass 1kg and radius 3 cm is rotating about its own axis with an angular velocity of 50 radians per second. Find its kinetic energy of rotation.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 495

Edit
MCQ▾

### Question

Find the initial momentum of electron if the momentum of electron is changed by and the De Broglie wavelength associated with it changes by 0.40%

### Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: