The diagram above is the heating curve for a solid, QR is...
The diagram above is the heating curve for a solid, QR is the?
melting region
boiling region
sublimation region
evaporating process
Correct answer is A
At melting point there is no change temperature
Which of the following is used for controlling the amount of light entering the eye? ...
The nucleon and proton numbers of a neutral atom of an element are 238 and 92 respectively. Det...
An image which can be formed on a screen is said to be ...
The thermometric properties of the thermocouple is that is ...
A platinum-resistance thermometer has a resistance of 10 ω at 0°C and 18 ω at 100°C. Assuming th...
The threshold of frequency for photoelectric effect depends on the ...
In which of the following media would sound waves travel fastest? ...