Advertisements
Advertisements
प्रश्न
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
विकल्प
True
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Equal volumes of different liquids expand by different amounts when they are heated to the same rise in temperature.
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Fill in the blank
_________ determines the degree of hotness or coldness of a body.
Why do telephone wires sag in summer ?
One end of a steel girder in a bridge is not fixed, but is kept on roliers. Give the reason.
Name a liquid which is a good conductor of heat.
Name a solid which is a good conductor of heat.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why is an oven made of double walls with the space in between filled with cork ?
Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter ?
