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.
Dispersion of light by a glass prism is due to the ...
Which of the following is a semiconductor ...
A 100 kg device is pulled up a plane inclined at 30° to the horizontal with a force of 1000 N. I...
Which is NOT one of the laws of solid friction? ...
A 2H inductor has negligible resistance and is connected to a 50π Hz A.C supply. The ...