# Oscillations and Waves-Simple Pendulum (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 28

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## Question number: 1

» Oscillations and Waves » Simple Pendulum

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MCQ▾

### Question

A simple pendulum has a time period T. The bob is now given some positive charge -

(1) If some positive charge is placed at the point of suspension, T will increases

(2) If some positive charge is placed at the point of suspension, T will not change

(3) If a uniform downward electric field is switched on, T will increase

(4) If a uniform downward electric field is switched on, T will decrease

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4)Response

a.

1,2 and 3

b.

1 and 2

c.

2 and 4

d.

1 and 3

## Question number: 2

» Oscillations and Waves » Simple Pendulum

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MCQ▾

### Question

A simple pendulum consisting of a ball of mass m tied to a thread of length l is made to swing on a circular arc of angle θ in a vertical plane. At the end of this arc, another ball of mass m is placed at rest. The momentum transferred to this ball at rest by the swinging ball is

### Choices

Choice (4)Response

a.

b.

Non zero

c.

Zero

d.

## Question number: 3

» Oscillations and Waves » Simple Pendulum

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MCQ▾

### Question

If a simple pendulum oscillates with an amplitude of 50 mm and time period of 2 sec, then its maximum velocity is,

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 4

» Oscillations and Waves » Simple Pendulum

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MCQ▾

### Question

A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical is

### Choices

Choice (4)Response

a.

in the forward direction

b.

in the forward direction

c.

in the backward direction

d.

in the backward direction

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