EASY
11th West Bengal Board
IMPORTANT
Earn 100

Define period in connection with a progressive wave.

Important Questions on Waves

MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 9
Can an elastic transverse wave pass through a gas or through a liquid?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 11
The wall of a room can reflect sound waves but not light waves. On the other hand, a simple plane mirror can reflect light waves but not sound waves. Why?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 11
Why are roofs of auditoriums meant for public meetings bent like arches ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 11
Why do we hold our palm in a curved fashion near our ear to catch distant sound ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 11
Distant sound can be heard at night but not in day time. Why ?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 12
The amplitude of a transverse wave is 100 cm, frequency 500 Hz and wavelength 100 cm. Write down the equation of the wave.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 13

A harmonic wave has a period T and wavelength λ. How far does it go in T4 second, if the wavelength λ=8 m?

MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 22 - Waves>EXERCISE>Q 14
Does every function of x±νt type represent a wave ?