MEDIUM

12th Maharashtra Board

IMPORTANT

Earn 100

Two sources of sound are separated by a distance $4 m$ . They both emit sound with the same amplitude and frequency $(330 Hz)$ , but they are $180 °$ out of phase. At what points between the two sources, will the sound intensity be maximum? (Take velocity of sound to be $330 m / s$ )

Important Questions on Superposition of Waves

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 13

Two sound waves travel at a speed of

330 m / s

. If their frequencies are also identical and are equal to

540 Hz

, what will be the phase difference between the waves at points

3.5 m

from one source and

3 m

from the other if the sources are in phase?

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 14

Two wires of the same material and same cross-section are stretched on a sonometer. One wire is loaded with

1.5 kg

and another is loaded with

6 kg

. The vibrating length of first wire is

60 cm

and its fundamental frequency of vibration is the same as that of the second wire. Calculate vibrating length of the other wire.

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 15

A pipe closed at one end can produce overtones at frequencies

640 Hz, 896 Hz

and

1152 Hz

. Calculate the fundamental frequency.

EASY

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 16

A standing wave is produced in a tube open at both ends. The fundamental frequency is

300 Hz

. What is the length of tube? (speed of the sound

= 340 m s^{- 1}

HARD

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 17

Find the fundamental, first overtone and second overtone frequencies of a pipe, open at both the ends, of length

25 cm

if the speed of sound in air is

330 m / s

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 18

A pipe open at both the ends has a fundamental frequency of $600 Hz$ . The first overtone of a pipe closed at one end has the same frequency as the first overtone of the open pipe. How long are the two pipes? (Take the velocity of sound to be $330 m / s$ ).

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 19

A string

1 m

long is fixed at one end. Transverse vibrations of frequency

15 Hz

are imposed at the free end. Due to this, a stationary wave with four complete loops, is produced on the string. Find the speed of the progressive wave which produces the stationary wave.

MEDIUM

12th Maharashtra Board

IMPORTANT

Physics Standard 12>Chapter 6 - Superposition of Waves>Exercises>Q 20

A violin string vibrates with fundamental frequency of

440 Hz

. What are the frequencies of first and second overtones?

Two sources of sound are separated by a distance 4 m. They both emit sound with the same amplitude and frequency (330 Hz), but they are 180° out of phase. At what points between the two sources, will the sound intensity be maximum? (Take velocity of sound to be 330 m/s)

Important Questions on Superposition of Waves

Learn and Prepare for any exam you want !

Two sources of sound are separated by a distance $4 m$ . They both emit sound with the same amplitude and frequency $(330 Hz)$ , but they are $180 °$ out of phase. At what points between the two sources, will the sound intensity be maximum? (Take velocity of sound to be $330 m / s$ )