Advertisements
Advertisements
Question
Name two substances which contract on heating.
Advertisements
Solution
Water contracts on heating from 0°C to 4°C.
Silver iodide contracts on heating from 80°C to 141°C.
APPEARS IN
RELATED QUESTIONS
Draw a neat labelled diagram of a laboratory thermometer.
A given mass of water is cooled from 10°C to 0°C. State the volume changes you will observe. Represent these changes on a temperature-volume graph.
Define coefficient of linear expansion. Write its SI unit.
Is conduction possible in vacuum?
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
Who am I?
I am useful for measuring the correct temperature.
One calorie is the amount of heat energy required to raise the temperature of _______ of water through ______.
Find the final temperature of a copper rod. Whose area of cross-section changes from 10 m2 to 11 m2 due to heating. The copper rod is initially kept at 90K. (Coefficient of superficial expansion is 0.0021 /K)
