Physics Past Questions and Answers

When heat is applied to one end of a metal rod, the molecules at the other end soon begin to vibrate with greater amplitude than before because heat has been transferred by

Which of the following media allow the transmission of sound wave through them i. Air. ii. Liquids. iii. Solids.

Which of the following properties is/are common to all waves? i. Diffraction ii. Refraction iii. Interference

A piano wire 0.5m long has a total mass of 0.01kg and is stretched with a tension of 800N. Calculate the frequency of the wire when it sounds its fundamental note

A note is called an octave of another note when