Which of the following surfaces will absorb radiant ...
Which of the following surfaces will absorb radiant heat energy?
white
red
black
blue
Correct answer is C
A black solution is a better radiator of heat and allow a better absorber of heat.
Which of the following pairs of physical quantities is made up of vectors? ...
The force of repulsion between two point positive charges 5μC and 8μC separated at a dis...
Three 3ω resistance are connected in parallel what is the equivalent resistance? ...
Which of the following instruments can be used to measure current in an a.c circuit? ...