# AIIMS (All India Institute of Medical Sciences) Physics: Questions 388 - 393 of 500

Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions- tracking exam pattern and syllabus changes. View the complete topic-wise distribution of questions. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

## Question number: 388

Edit
MCQ▾

### Question

A solid sphere of diameter D and density has a spherical cavity of diameter inside it. If it just floats completely immersed in a liquid of density , then the ratio is –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 389

Edit
MCQ▾

### Question

Find the magnitude of pressure amplitude in a sound of intensity . Density of air at STP .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 390

» Kinematics » Scalars and Vectors » Scalar and Vector Products

Edit
MCQ▾

### Question

The vector and are perpendicular to each other. The positive value of is:

### Choices

Choice (4)Response

a.

5

b.

6

c.

3

d.

10

## Question number: 391

Edit
MCQ▾

### Question

A body dropped from a height with an initial speed zero, strikes the ground with a velocity . Another body of same mass is dropped from the same height ‘h’ with an initial speed . Find the final velocity of second body, with which it strikes the ground.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 392

Edit
MCQ▾

### Question

A particle executes simple harmonic motion with an angular velocity of and maximum acceleration . Amplitude of the oscillation is –

### Choices

Choice (4)Response

a.

0.94m

b.

1.0 m

c.

2.0 m

d.

1.4 m

## Question number: 393

Edit
MCQ▾

### Question

A stone of mass 5 kg is attached to a string long and is whirled in a horizontal circle. The maximum tension the string can withstand is 20 N. What maximum velocity can be given to the stone without breaking the string?

### Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: