EASY
JEE Main/Advance
IMPORTANT
Earn 100

A wave moves with a certain speed in a stretched string. The percentage change in tension required to increase the velocity by 1%, is approximately

50% studentsanswered this correctly

Important Questions on Waves

EASY
JEE Main/Advance
IMPORTANT
The equation of standing wave in a stretched string is given by y=5sinπx3cos(40πt), where x and y are in cm and t in second. The separation between two consecutive nodes is (in cm )
EASY
JEE Main/Advance
IMPORTANT
Which of the following characteristics of sound help us in identifying two persons talking in a room without seeing them ?
EASY
JEE Main/Advance
IMPORTANT
The string of a violin has a fundamental frequency of 440 Hz. If the violin string is shortened by one fifth, its fundamental frequency will be changed to
MEDIUM
JEE Main/Advance
IMPORTANT
A stretched string is fixed at both its ends. Three possible wavelengths of stationary wave patterns that can be set up in the string are 90 cm, 60 cm and 45 cm. The length of the string may be
EASY
JEE Main/Advance
IMPORTANT

Which of the followings represent the variation of frequency (f) with radius of cross section of a stretched string?

EASY
JEE Main/Advance
IMPORTANT
In a stationary wave, all the particles of the medium cross the mean position with
EASY
JEE Main/Advance
IMPORTANT
The difference between the frequencies of the third and fifth harmonic of a closed organ pipe is 100 Hz. Its fundamental frequency is
EASY
JEE Main/Advance
IMPORTANT
In standing waves, select incorrect