Fill in the blank space by choosing the correct word from the list given below :
List: ultrasonic, frequency, reflecting, sonar, amplitude
The _________ of the sound produced by a vibrating wire decreases, if its length is increased.

Fill in the blank space by choosing the correct word from the list given below : List: ultrasonic, frequency, reflecting, sonar, amplitude The range of _________ vibrations is above 20,000 Hz.

Fill in the blank space by choosing the correct word from the list given below : List: ultrasonic, frequency, reflecting, sonar, amplitude The loudness of sound depends on the extent of _________ of a vibrating body.

Fill in the blank space by choosing the correct word from the list given below : List: ultrasonic, frequency, reflecting, sonar, amplitude The device used to measure the depth of sea is called _________ .

Fill in the blank space by choosing the correct word from the list given below : List: ultrasonic, frequency, reflecting, sonar, amplitude For hearing an echo the minimum distance between the source of sound and the _________ body is 17 m.

Fill in the blank spaces by choosing the correct words from the list given below: direction, joule, work, energy, force Q. Ability to do work is called _____.

Fill in the blank spaces by choosing the correct words from the list given below: direction, joule, work, energy, force Q. _____is the SI unit of work.

Fill in the blank spaces by choosing the correct words from the list given below: List: contracts, heating, expand, linear, inflated A straight bimetallic strip on ____________ bends.

Fill in the blank spaces by choosing the correct words from the list given below: direction, joule, work, energy, force Q. An elephant uprooting a small tree does _______.

Fill in the blank spaces by choosing the correct words from the list given below: chemical, solar, heat, electric, kinetic. Q. A loudspeaker converts ____energy into sound energy.

Fill in the blank spaces by choosing the correct words from the list given below: List: contracts, heating, expand, linear, inflated The electric transmission wires ___________ and sag during summer.