EASY
11th West Bengal Board
IMPORTANT
Earn 100

Draw the graphs showing the variation of volume of water and density of water within the temperature range 0°C to 10°C.

Important Questions on Thermal Expansion

EASY
11th West Bengal Board
IMPORTANT

A uniform tube is connected to a thin copper bulb. Water fills the bulb and a part of the tube. How will the level of water in the tube change when the bulb is heated

(i) quickly and

(ii) slowly. Give reasons for your answer in both cases.

EASY
11th West Bengal Board
IMPORTANT
What will happen if water is used instead of mercury in preparing a thermometer designed to read temperatures between 2°C to 20°C?
EASY
11th West Bengal Board
IMPORTANT
How does water at the bottom of a lake remain in liquid state although the upper layers have frozen into ice?
HARD
11th West Bengal Board
IMPORTANT
A big lump of ice with a piece of lead frozen into it floats in water. What will be the change of level of water when the ice melts completely.
EASY
11th West Bengal Board
IMPORTANT
A big lump of ice with a piece of lead frozen into it floats in water. What will be the change of level of water when the piece of lead is replaced by a piece of cork of equal volume?
EASY
11th West Bengal Board
IMPORTANT
Placing a piece of ice in beaker, water is poured until the beaker is full to the brim. What change in the level of water will be seen when the ice has melted completely if the water is at 0°C.
EASY
11th West Bengal Board
IMPORTANT
Placing a piece of ice in beaker, water is poured until the beaker is full to the brim. What change in the level of water will be seen when the ice has melted completely if the water is at 4°C.
HARD
11th West Bengal Board
IMPORTANT
A piece of ice is floating in beaker completely filled with a liquid of density 1.5 g cm-3. Will there be any overflow of liquid when the ice melts?