A thick glass tumbler cracks when boiling water is poured into it because
How much joules of heat are given out when a piece of iron, of mass 60g and specific heat capacity 460JKg\(^{-1}\)K\(^{-1}\), cools from 75ºC to 35ºC
The energy of light of frequency 2.0 x 10\(^{15}\)Hz is (h = 6.63 x 10\(^{-34}\)Js)
A mass of gas at 40mmHg is heated from 298k to 348k at constant volume. Cal the pressure exerted by the gas.
The distance between two successive crests of a water wave is 0.25m. If a particle on the surface of the water makes four complete vertical oscillations in one second. Calculate the speed of the wave.
