Advertisements
Advertisements
प्रश्न
A thermostat is a device which maintains _____.
Advertisements
उत्तर
A thermostat is a device which maintains temperature of an object constant.
APPEARS IN
संबंधित प्रश्न
What is meant by the term temperature.
Two substances A and B have specific heats c and 2 c respectively. If A and B are given Q and 4Q amounts of heat respectively, the change in their temperatures is the same. If the mass of A is m, what is the mass of B?
Name two substances which expand on heating.
State two uses of a bimetallic strip.
Explain the following:
Water is heated generally from below.
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?
Temperature of Srinagar (J&K) is -4°C and in Kodaikanal is 3°C which of them has greater temperature? What is the difference between the temperatures of these two places?
