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11th West Bengal Board
IMPORTANT
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The velocity of transverse waves in a stretched string is given by,

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Important Questions on Waves

MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 66
In an open tube the harmonics that can be produced are
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 67
Two tuning forks produce 5 beats per second. The beat frequency increases when one of them is filled. If the frequency of the other fork be 512, what is the frequency of the first?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 68
A cylindrical tube, open at both ends, has a fundamental frequency f in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of air column is now
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 69
A tube closed at one end containing air produces, when excited, the fundamental note of frequency 512Hz. If the tube be open at both ends the fundamental frequency that can be excited is
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 70
A set of 65 tunning-fork is so arranged that each gives 3 beats per second with the previous one and the last one is an octave of the first. Then the frequency of the first and the last fork will be respectively.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 71
Two identical flutes produce a fundamental frequency of 300Hz at 17°C. If the temperature of air in one flute be increased to 30°C, the number of beats heard per second will be
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 72
Which of the following expression is that of a simple harmonic progressive wave?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 73
Equation of a stationary wave is ε=10sin(πx4)cos20πt Distance between two consecutive nodes is :