When a vessel was kept at focus, how will it heat up ?

A vessel is half filled with a liquid at 0^(@)C . When the vessel is heated to 100^(@)C , the liquid occupies 3/4 volume of the vessel. Coefficient of apparent expansion of the liquid is

When a liquid in a vessel is heated its level (a) will increase (b) may increase or decreases ( c) will decrease (d) may remains same

A vessel is in the form of an inverted cone. Its height is 8 cm. and the radius of its top is 5 cm.It is filled with water up to the rim. When lead shots, each of which is a sphere of radius 0.5 cm are dropped into the vessel, 1/4 of the water flows out. Find the number of lead shots dropped into the vessel.

When stationary waves are set up

When a liquid is heated in a vessel, it is found that g_(R) is less than g_(A) . This happens when the vessel ---- on heating.

When cathode rays are focused on thin metal foil, it gets heated up to ……………