Oscillations and Waves-Simple Pendulum (NEET Physics): Questions 1 - 4 of 28

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Question number: 1

» Oscillations and Waves » Simple Pendulum

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 and 3

b.

1 and 2

c.

1, 2 and 3

d.

2 and 4

Question number: 2

» Oscillations and Waves » Simple Pendulum

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.

mgl

b.

Non zero

c.

lg

d.

Zero

Question number: 3

» Oscillations and Waves » Simple Pendulum

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.

0.8ms

b.

0.26ms

c.

0.15ms

d.

0.10ms

Question number: 4

» Oscillations and Waves » Simple Pendulum

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.

tan1(ag) in the backward direction

b.

tan1(ga) in the backward direction

c.

tan1(ag) in the forward direction

d.

tan1(ga) in the forward direction

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