# Oscillations and Waves (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 21 - 24 of 27

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## Question number: 21

» Oscillations and Waves » Harmonics

MCQ▾

### Question

A wire with linear density of is stretched between two rigid supports. Tension on the wire is 540 N. The wire resonates at 450 Hz. The next frequency at which wire resonates is 540 Hz. The length of the wire is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 22

» Oscillations and Waves » Periodic Functions

Appeared in Year: 2013

MCQ▾

### Question

A ball is rolling without slipping in a spherical shallow bowl (radius R) as shown in the figure and is executing simple harmonic motion. If the radius of the ball is doubled, the period of oscillation,

### Choices

Choice (4) Response

a.

Decreases slightly

b.

Is increased by a factor of 2

c.

Increases slightly

d.

Is reduced by a factor of

## Question number: 23

» Oscillations and Waves » Simple Pendulum

Appeared in Year: 2015

MCQ▾

### Question

A simple pendulum of length l is made to oscillate with amplitude of 45 degrees. The acceleration due to gravity is g. Let. The time period of oscillation of this pendulum will be

### Choices

Choice (4) Response

a.

Slightly more than T0.

b.

Slightly less than T0.

c.

T0 irrespective of the amplitude.

d.

Dependent on whether it swings in a plane aligned with the north – south or east – west directions.

## Question number: 24

» Oscillations and Waves » Simple Pendulum

Appeared in Year: 2014

MCQ▾

### Question

The maximum value attained by the tension in the string of a swinging pendulum is four times the minimum value it attains. There is no slack in the string. The angular amplitude of the pendulum is –

### Choices

Choice (4) Response

a.

600

b.

450

c.

300

d.

900

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