Oscillations and Waves-Displacement Relation for a Progressive Wave (NEET Physics): Questions 8 - 11 of 11

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Question number: 8

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The relation between time and displacement for two particles is given by

y1=0.09sin2π(0.04t+ϕ1) , y2=0.03sin2π(1.04t+ϕ2)

The ratio of the intensities of the waves produced by the vibrations of the two particles will be

Choices

Choice (4) Response

a.

1: 9

b.

9: 1

c.

1: 2

d.

2: 1

Question number: 9

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The displacement due to a wave moving in the positive x –direction is given by

y=1(1+x2) at time t = 0 and by y=1[1+(x1)2] at t = 2 seconds, where x and y are in meter. The velocity of the wave in m/s is,

Choices

Choice (4) Response

a.

0.5

b.

2

c.

1

d.

4

Question number: 10

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

A wave travelling in positive X-direction with A = 1.2 m has a velocity of 240 m/sec. If λ = 40 m, then correct expression for the wave is

Choices

Choice (4) Response

a.

y=1.2sin[2π(6t+x40)]

b.

y=1.2sin[2π(6tx40)]

c.

y=1.2sin[π(6t+x40)]

d.

y=1.2sin[π(6tx40)]

Question number: 11

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The equation of a progressive wave is given by y=0.5sin(20x400t) where x and y are in meter and t is in second. The velocity of the wave is,

Choices

Choice (4) Response

a.

200ms

b.

20ms

c.

400ms

d.

10ms

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