Velocity of sound in vacuum is ____________________?
A. 332 ms-1
B. 320 ms-1
C. Zero
D. 224 ms-1
Waves
According to Newton sound travel in air under the conditions of_____________________?
According to Newton sound travel in air under the conditions of_____________________?
A. adiabatic
B. isothermal
C. isobaric
D. isochoric
A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?
A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?
A. always an node in formed
B. always an antinode is formed
C. neither node nor antinode is formed
D. sometimes a node and sometimes an antinode is formed
In vibrating cord the points where the amplitude is maximum, are called ___________________?
In vibrating cord the points where the amplitude is maximum, are called ___________________?
A. antinodes
B. nodes
C. troughs
D. crests
The distance between any two consecutive crests or troughs is called____________________?
The distance between any two consecutive crests or troughs is called____________________?
A. frequency
B. period
C. Wave length
D. phase difference
Waves transmit ________________ from one place to another?
Waves transmit ________________ from one place to another?
A. energy
B. mass
C. both
D. none