# Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 86 - 91 of 195

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## 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: 86 (1 of 2 Based on Passage) Show Passage

» Oscillations and Waves » Periodic Functions

MCQ▾

### Question

The minimum, possible time period

### Choices

Choice (4) Response

a.

0.1 second.

b.

0.3 second.

c.

0.4 second.

d.

0.2 second.

## Question number: 87 (2 of 2 Based on Passage) Show Passage

» Oscillations and Waves » Periodic Functions

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.

0 025 Joule

b.

0.08 Joule

c.

0.1 Joule

d.

0.06 Joule

## Question number: 88

» Oscillations and Waves » Speed of a Wave

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.

2: 1

b.

1: 4

c.

1: 2

d.

4: 1

## Question number: 89

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

### Question

In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.170 second. The frequency of the wave is,

### Choices

Choice (4) Response

a.

0.36 Hz

b.

0.73 Hz

c.

1.47Hz

d.

2.94 Hz

## Question number: 90

» Oscillations and Waves » Simple Pendulum

MCQ▾

### Question

The length of a simple pendulum is increased by 5%. Its time period will

### Choices

Choice (4) Response

a.

Increase by 2.5%

b.

Decrease by 5%

c.

Increase by 3.5%

d.

Increase by 2%

## Question number: 91

» Oscillations and Waves » Wave Motion

MCQ▾

### Question

A wave travelling in positive X-direction with A = 0.2m has a velocity of 360 m/sec. If λ = 60m, then correct expression for the wave is

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page