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.
an electric cell with nominal voltage E has a resistance of 3Ω connected across it. If the vol...
Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred...
Shadows and eclipse result from the ...
Which of the following physical processes cannot be explained by the molecular theory of matter? ...
Which of the following is TRUE of light and sound waves? ...