Physics Past Questions and Answers

A well-lagged bar of length 100cm has its ends maintained at 100^oC and 40^oC respectively. What is the temperature at a point 60cm from the hotter end?

Which of the following is the exclusive property of a transverse wave?

The wavelength of signals from a radio transmitter is 1500mm and the frequency is 200kHz. What is the wavelength for a transmitter operating at 100kHz?

The difference between sound waves and light waves is that sound waves

The pitch of an acoustic device can be increased by