# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1744 - 1748 of 2247

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## Question number: 1744

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MCQ▾

### Question

The length of a simple pendulum is 2 m. The spherical bob which is empty from inside has a mass of 50 gm. This is now replaced by another solid bob of same radius but having different mass of 100 gm. The new time period will be,

### Choices

Choice (4) Response

a.

2 sec

b.

1 sec

c.

4 sec

d.

8 sec

## Question number: 1745

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MCQ▾

### Question

The equation of a plane progressive wave is given by . The frequency of this wave would be,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1746

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

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MCQ▾

### Question

A mass m is suspended from the two coupled springs connected in series. The force constant for springs are k 1 and k 2 . The time period of the suspended mass will be,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1747

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MCQ▾

### Question

The displacement of a particle executing S. H. M is given by meters. The maximum speed of the particle and amplitude of the motion is,

### Choices

Choice (4) Response

a.

200 cm/sec, and 0.65 m

b.

100 m/s and 1.30 m

c.

250 m/s and 0.65 m

d.

260 m/sec and 0.65 m

## Question number: 1748

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MCQ▾

### Question

A wave of frequency 400 Hz has velocity 360 m/sec. The distance between two nearest points 60° out of phase, is

### Choices

Choice (4) Response

a.

15 cm

b.

60 cm

c.

0.6 cm

d.

12 cm

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