Waves Test

Result

Waves Test - 64

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

In one metre long open pipe what is the harmonic of resonance obtained with a tuning fork of frequency 480 Hz?

A
First

B
Second

C
Third

D
Fourth

Solution
Question 2
4 / -1

An organ pipe open at one end is vibrating in first overtone and is in resonance with another pipe open at both ends and vibrating in third harmonic. The ratio of length of two pipes is

A
1 : 2

B
4 : 1

C
8 : 3

D
3 : 8

Solution
Question 3
4 / -1

In a resonance pipe the first and second resonances are obtained at depths 22.7 cm and 70.2 cm respectively. What will be the end correction?

A
1.05 cm

B
115.5 cm

C
92.5 cm

D
113.5 cm

Solution
Question 4
4 / -1

An open tube is in resonance with string (frequency of vibration of tube is n₀). If tube is dipped in water so that 75% of length of tube is inside water, then the ratio of the frequency of tube to string now will be

A
1

B
2

C

D

Solution
Question 5
4 / -1

Two closed organ pipes A and B, have the same length. A is wider than B. They resonate in the fundamental mode at frequencies n_A and n_B respectively, then

A
n_A = n_B

B
n_A > n_B

C
n_A < n_B

D
Either (b) or (c) depending on the ratio of their diameters

Solution
Question 6
4 / -1

In a closed organ pipe, the 1st resonance occurs at 50 cm. At what length of pipe, the 2nd resonance will occur?

A
150 cm

B
50 cm

C
100 cm

D
200 cm

Solution
Question 7
4 / -1

If in a resonance tube a oil of density higher than that of water is used then the resonance frequency would be

A
Increased

B
Decreased

C
Slightly increased

D
Remain the same
Question 8
4 / -1

The frequency of the fundamental note in an organ pipe is 240 Hz. On blowing air, frequencies 720 Hz and 1200 Hz are heard. This indicates that organ pipe is

A
A pipe closed at one end

B
A pipe open at both ends

C
Closed at both ends

D
Having holes like flute
Question 9
4 / -1

If L₁ and L₂ are the lengths of the first and second resonating air columns in a resonance tube, then the wavelength of the note produced is

A

B

C

D

Solution
Question 10
4 / -1

A hollow cylinder with both sides open generates a frequency f in air. When the cylinder vertically immersed into water by half its length the frequency will be

A
f

B
2f

C
f/2

D
f/4

Solution