Physics Past Questions and Answers

The potential energy in an elastic string of force constant k, which has an extension X is?

A reservoir is filled with liquid of density 2000 kgm\(^{-1}\). Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm\(^{-2}\) (g = 10 ms\(^{-2}\))

Water is not a good thermometric liquid because it?

Which of these is a second-class lever?

In the formation of sea breeze, wind blows from?