Physics Past Questions and Answers

A metal rod 800mm long is heated from 10^oC to 95^oC. If it expands by 1.36mm, the linear expansivity of the metal is

When the volume of a given mass of gas is halved and its temperature doubled, the pressure

200g of water at 90°C is mixed with 100g of water at 30°C. What is the final temperature?

The relationship between L and the wavelength I of the stationary wave is

Determine the distance between the consecutive antinodes XX if the wavelength is 60cm