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A simple pendulum oscillates in air with time period T and amplitude A. As the time passes ____.

T and A both decrease

T increases and A is constant

T increases and A decreases

T decreases and A is constant

/

A tube closed at one end and containing air is excited. It produces the fundamental note of frequency 512 Hz. If the same tube is open at both the ends the fundamental frequency that can be produced is ____.

1024 Hz

512 Hz

256 Hz

128 Hz

A closed pipe and an open pipe have their first overtones identical in frequency. Their lengths are in the ratio ____.

1 : 2

2 : 3

3 : 4

4 : 5

The first overtone in a closed pipe has a frequency ____.

same as the fundamental frequency of an open tube of same length

twice the fundamental frequency of an open tube of same length

same as that of the first overtone of an open tube of same length

None of the above

An empty vessel is partially filled with water, then the frequency of vibration of air column in the vessel ____.

remains same

decreases

increases

first increases then decreases

It is desired to increase the fundamental resonance frequency in a tube which is closed at one end. This can be achieved by ____.

replacing the air in the tube by hydrogen gas

increasing the length of the tube

double the length of the tube

remains the closed end of the tube

An air column in a pipe, which is closed at one end, is in resonance with a vibrating body of frequency 166 Hz, if the length of the air column is ____.

2.00 m

1.50 m

1.00 m

0.50 m

If the velocity of sound in air is 350 m/s. Then the fundamental frequency of an open organ pipe of length 50 cm is ____.

350 Hz

175 Hz

900 Hz

750 Hz

The fundamental note produced by a closed organ pipe is of frequency The fundamental note produced by an open organ pipe of same length is of frequency ____.

T and A both decrease

T increases and A is constant

T increases and A decreases

T decreases and A is constant

/

A tube closed at one end and containing air is excited. It produces the fundamental note of frequency 512 Hz. If the same tube is open at both the ends the fundamental frequency that can be produced is ____.

1024 Hz

512 Hz

256 Hz

128 Hz

A closed pipe and an open pipe have their first overtones identical in frequency. Their lengths are in the ratio ____.

1 : 2

2 : 3

3 : 4

4 : 5

The first overtone in a closed pipe has a frequency ____.

same as the fundamental frequency of an open tube of same length

twice the fundamental frequency of an open tube of same length

same as that of the first overtone of an open tube of same length

None of the above

An empty vessel is partially filled with water, then the frequency of vibration of air column in the vessel ____.

remains same

decreases

increases

first increases then decreases

It is desired to increase the fundamental resonance frequency in a tube which is closed at one end. This can be achieved by ____.

replacing the air in the tube by hydrogen gas

increasing the length of the tube

double the length of the tube

remains the closed end of the tube

An air column in a pipe, which is closed at one end, is in resonance with a vibrating body of frequency 166 Hz, if the length of the air column is ____.

2.00 m

1.50 m

1.00 m

0.50 m

If the velocity of sound in air is 350 m/s. Then the fundamental frequency of an open organ pipe of length 50 cm is ____.

350 Hz

175 Hz

900 Hz

750 Hz

The fundamental note produced by a closed organ pipe is of frequency The fundamental note produced by an open organ pipe of same length is of frequency ____.

WAVES

AIPMT Physics: Waves IIT JEE Physics: Waves AIEEE Physics: Waves MEDICAL ENTRANCE: WAVES CBSE – XI PHYSICS: WAVES ENGINEERING ENTRANCE PHYSICS: WAVES

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