Advertisements
Advertisements
प्रश्न
State the temperature of steam point on the Celsius scale.
Advertisements
उत्तर
Steam point. On the Celsius scale is the mark at which water changes into steam at normal atmospheric pressure. On Celsius scale it is 100°C.
APPEARS IN
संबंधित प्रश्न
The temperature rises by 18°F. What is the rise on the Celsius scale?
Define heat energy on the basis of kinetic theory of matter.
Distinguish between heat and temperature.
Why do telephone wires sag during summer?
Name three devices which are used to detect heat radiations.
Name the substance which contracts when heated from 00C to 40C.
A copper wire 10 cm long is heated from 200C to 300C. Find the increase in length of the wire, if coefficient of linear expansion of copper is 1.7 X 10-5oC-1
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?
Give reasons why –
an igloo is built as a winter shelter
