Waves Test

Result

Waves Test - 51

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

The displacement of a particle is given by
x = 3 sin (5πt) + 4 cos (5πt)
The amplitude of the particle is

A
3

B
4

C
5

D
7

Solution
Question 2
4 / -1

Two waves y₁ = A₁ sin (ωt – β₁), y₂ = A₂ sin (ωt – β₂)
Superimpose to form a resultant wave whose amplitude is

A

B

C

D

Solution
Question 3
4 / -1

Beats are produced with the help of two sound waves of amplitudes 3 and 5 units. The ratio of maximum to minimum intensity in the beats is

A
2 : 1

B
5 : 3

C
4 : 1

D
16 : 1

Solution
Question 4
4 / -1

The two interfering waves have intensities in the ratio 9:4. The ratio of intensities of maxima and minima in the interference pattern will be

A
1 : 25

B
25 : 1

C
9 : 4

D
4 : 9

Solution
Question 5
4 / -1

If the ratio of amplitude of two waves is 4 : 3. Then the ratio of maximum and minimum intensity will be

A
16 : 18

B
18 : 16

C
49 : 1

D
1 : 49

Solution
Question 6
4 / -1

Equation of motion in the same direction is given by
y₁ = A sin (ωt – kx), y₂ A sin(ωt – kx – θ).
The amplitude of the medium particle will be

A

B

C

D

Solution
Question 7
4 / -1

A
5

B
7

C
1

D
0

Solution
Question 8
4 / -1

A
a

B

C

D
2a

Solution
Question 9
4 / -1

A

B

C

D

Solution
Question 10
4 / -1

Two waves coming from two coherent sources, having different intensities interfere their ratio of maximum intensity to the minimum intensity is 25. The intensities of the sources are in the ratio

A
25 : 1

B
25 : 16

C
9 : 4

D
5 : 1

Solution