Sound waves of a certain frequency in air having a wavelength of 1.9 m will have what wavelength in water? Take the speed of sound in air to be 340 m/s and in water to be 1490 m/s
a. 0.57 m
c. 8.3 m
b. 1.9 m
d. 11 m
C
You might also like to view...
Relative to an initial height, an object raised twice as high has a gravitational potential energy
A) half as much B) twice as much. C) four times as much. D) need more information
When the distance between two charges is halved, the electric force between the charges
A) quadruples. B) doubles. C) is half. D) is reduced by one-quarter. E) none of the above
Increasing the diameter of a reflecting telescope:
A) increases its light-gathering power. B) decreases its resolving power. C) decreases its magnifying power. D) increases its chromatic aberration.
An airplane is pointed in the NE direction and is moving 71. m/s with respect to the air. The jetstream (moving air) carries the plane 30. m/s toward the East. What is the velocity of the plane relative to the ground?
What will be an ideal response?