Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following is measure of hotness of a body ?
Temperature
Heat
Friction
Pressure
Heat always flows
From cold object to hotter object
From hotter objective colder object
In both directions
None of the above
The temperature of water at the bottom of a lake whose upper surface has frozen to ice would be around
-10 degree Celsius
0 degree Celsius
4 degree Celsius
-4 degree Celsius
A person is suffering from fever is body temperature can be measured by
Pyrometer
Clinical thermometer
Calorimeter
Laboratory thermometer
The walls of Thermos bottle are polished to prevent
Absorption
Convection
Conduction
Radiation