temperature is a measure of the average kinetic energy of the molecules of a substance
heat is a measure of the total kinetic energy of the molecules in a system
different materials require different amounts of heat to cause a given change in temperature
all of the above
A and B only
Correct answer is D
No explanation has been provided for this answer.
If a radioactive atom emits a beta particle, Its mass number ...
A note of frequency 2000Hz has a velocity of 400 ms-1. calculate the wavelength of the note...
Radio telescopes are better than optical telescopes because ...
Which of the following media allow the transmission of sound wave through them i. Air. ii. Liqui...