On a rainy day, small oil films on water show brilliant c...
On a rainy day, small oil films on water show brilliant colours. This is due to
dispersion
interference
diffraction
polarization
Correct answer is B
No explanation has been provided for this answer.
An object is projected with a velocity of 100m-1 at an angle of 60° to the vertical. Calculate t...
Which material is best for making a permanent magnet? ...
A charge of 10 C is transferred across a potential difference of 220 V. Determine the work done. ...
If the capacitance of a capacitor is C = (εA)/d, which of the following parameters is varied...
Two inductors of inductance 5 mll and 15 mll are connected in series and a current of 5A flows ...