An object placed at the bottom of a well full of clear wa...
An object placed at the bottom of a well full of clear water appears closer to the surface due to?
diffraction
reflection
refraction
polarization
Correct answer is C
Real depth and apparent dept is due to refraction
Which of the following is used for shielding radioactive fallout? ...
A battery of e.m.f 10V and internal resistance 2Ω is connected to a resistance of 6Ω. Calculate ...
Which of the following instrument may be used to measure the relative humidity? ...
Which of the following statements explains lost volt in an electric circuit? The ...
Which of the following statements is NOT true of \(\gamma\)-rays?...