When an athlete perspires after running, he loses heat th...
When an athlete perspires after running, he loses heat through
Evaporation
Conduction
Radiation
Convection
Correct answer is A
No explanation has been provided for this answer.
Total internal reflection will not occur when light travels from ...
The rise or fall of a liquid in a narrow tube is because of the ...
Which of the following statements is not true? ...
Mercury is a better barometric fluid than water because i. it needs no colouring ii. its density...
Which of the following figures gives the correct resultant R of two vectors P and Q? ...