If the distance between the object and the pinhole of a p...
If the distance between the object and the pinhole of a pinhole camera is reduced by half the size of the image of the object
Is quadrupled
Is halved
Remains the same
Is double
Correct answer is D
No explanation has been provided for this answer.
A supply of 400V is connected across capacitors of 3μf and 6μf in series. Calculate the charge...
Which of the following is true of an electrical charge? ...
An astronomical telescope is said to be in normal adjustment when the? ...
What is the resultant resistance of the circuit in the image shown? ...