Advertisements
Advertisements
प्रश्न
Name three devices which are used to detect heat radiations.
उत्तर
Three devices used to detect heat radiations are
(a). Blackened bulb thermometer
(b). Differential air thermo scope
(c). Thermopile
APPEARS IN
संबंधित प्रश्न
The temperature rises by 18°F. What is the rise on the Celsius scale?
Explain the construction of a calorimeter. Draw the necessary figure.
Name two substances which contract on heating.
State the volume changes that you will observe when a given mass of water is heated from 0°C to 10°C. Sketch a temperature-volume graph to show the behaviour.
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
Give a scientific reason for the following:
It is better to use thin blankets to keep the body warm rather than using a single blanket of thickness equal to their combined thickness.
Mention the three units which are used to measure the temperature.
Which factor determines the direction of flow of heat from one body to another?
