Question
What is reflection of light?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

(1)Using the formula density = mass/volume, explain what will be the effect of heat on the gas kept in a closed bottle.
(2)If the bottle is not closed but has a movable piston attached to its open end (see the figure), what will be the effect of heating the gas in the bottle?

