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.
In the hydraulic press, the force F applied is related to the diameter d of the cylinder by ...
One difference between a reactance and a resistance in an alternating current circuit is...
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