Physics Test 1

Instructions

For the following questions answer them individually

Q 1

What is the frequency of audible Sound Waves?

Q 2

When ice floats on water, its _____ part remains outside the water.

Q 3

The unit of power is:

Q 4

Match the following with the correct answer:
(1) Work
(2) Battery
(3) Power
(4) Microphone

(A) Chemical energy converts into electrical energy
(B) Sound energy converts into electrical energy
(C) Kilowatt hour
(D) Joule

Q 5

A sound wave has a frequency of 3.5 kHz and wave length 0.1 m. How long will it take to travel 700 m?