## OTS Physics Mcqs Online Test 10 Preparation Question Answers Start Below

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```The frequency of the second pendulum is?

1 hertz

0.5 hertz

1.5 hertz

2.5 hertz

### Correct!

### Wrong!

The SI unit of force constant is identical with that of?

force .

pressure .

surface tension

loudness

### Correct!

### Wrong!

The product of frequency and time period is equal to?

1

2

3

4

### Correct!

### Wrong!

Simple harmonic motion is a type of?

. rotational motion

circular motion .

musical arrangement .

vibratory motion

### Correct!

### Wrong!

When the amplitude of a wave become double its energy become?

. double

four times

. one half

. none time

### Correct!

### Wrong!

directly proportional to damping force

inversely proportional to damping force .

equal to square of damping force

equal to square of damping force

### Correct!

### Wrong!

The displacement of SHM is written as X = X? sin?t if displacement is written by X = X? son ?t then phase constant will be equal to?

0?

45?

90?

180?

### Correct!

### Wrong!

For what displacement the P.E becomes 1/4 of its maximum value?

.

x = x?

. x = x?/2

. x = x?/4

x = x?2/2

### Correct!

### Wrong!

The energy of SHM is maximum at?

mean position

extreme position

in between mean and extreme

all positions during SHM

### Correct!

### Wrong!

A simple pendulum suspended form the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is?

infinite

T/g

zero

g/T

### Correct!

### Wrong!

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