For correcting long sight defects in the human eye we req...
For correcting long sight defects in the human eye we require a
converging lens
diverging lens
microscope
periscope
plain glass sheet
Correct answer is A
No explanation has been provided for this answer.
A block of aluminum is heated electrically by a 30 w heater if the temperature rises by 10°c in ...
An ice cube floats in a glass of water filled to the brim. What happens when the ice melts? ...
Which of the following processes is not a surface phenomenon? ...
In the diagram above, which of the angles θ1 , θ2 , θ3 and \(...