Answers

Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure iii. Frequency…

The speed of sound in air at sea-level is 340ms-1 while that of light is 300 000kms-1. How…

A piano wire 0.5m long has a total mass of 0.01kg and is stretched with a tension of…

A note is called an octave of another note when A. its frequency is twice that of the…

When heat is applied to one end of a metal rod, the molecules at the other end soon…

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

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

The amount of heat needed to raise the temperature of 10kg of copper by 1k is its A.…

A tap supplies water at 25oC while another supplies water at 75oC. If a man wishes to bathe…

A body whose mass is 2kg and has a volume of 500cm3 just floats when completely immersed in…