The size of the hole of a pin hole camera is increased. T...
The size of the hole of a pin hole camera is increased. The resultant image formed becomes
sharper
reduced in size
enlarged
blurred
Correct answer is D
No explanation has been provided for this answer.
Given the progressive wave equation y = 5 sin (2000 πt - 0.4x), calculate wave length...
A sheet of paper is placed in the path of the following radiations: I. Alpha particles II. Beta ...
Calculate the work done in charging a capacitor of capacitance 20µF through a potential differ...