# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1723 - 1728 of 2184

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## Question number: 1723

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MCQ▾

### Question

In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.130 second. The frequency of the wave is,

### Choices

Choice (4) Response

a.

1.73 Hz

b.

1.92 Hz

c.

1.785 Hz

d.

2.47 Hz

## Question number: 1724

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MCQ▾

### Question

The minimum, possible time period

### Choices

Choice (4) Response

a.

0.1 sec

b.

0.3 sec.

c.

0.2 sec.

d.

0.4 sec.

## Question number: 1725

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Assertion-Reason▾

### Assertion (Ꭺ)

given The percentage change in time period is 1.5 % if the length of simple pendulum increases by 3

### Reason (Ꭱ)

Time period is directly proportional to length of pendulum

### Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

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

c.

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

d.

Ꭺ is false but Ꭱ is true

## Passage

A particle performs linear SHM such that it is placed on platform1 & platform 2 along with particles up and down with amplitude A =1 cm. If the particle does not loose contact with platform anywhere and mass of particle is 1 kg, find out:

## Question number: 1726 (1 of 2 Based on Passage) Show Passage

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MCQ▾

### Question

For minimum time period condition average potential energy between t = 0 to t = 0.05 sec (Take g = 10

### Choices

Choice (4) Response

a.

0.1 Joule

b.

0.06 Joule

c.

0.08 Joule

d.

0 025 Joule

## Question number: 1727 (2 of 2 Based on Passage) Show Passage

Edit
MCQ▾

### Question

The minimum, possible time period

### Choices

Choice (4) Response

a.

0.1 second.

b.

0.4 second.

c.

0.3 second.

d.

0.2 second.

## Question number: 1728

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MCQ▾

### Question

V 1 and V 2 are the velocities of sound at the same temperature in two monoatomic gases of densities ρ 1 and ρ 2 respectively. If then the ratio of velocities V 1 and V 2 will be,

### Choices

Choice (4) Response

a.

4: 1

b.

1: 2

c.

2: 1

d.

1: 4