The colours seen in the thin films of oil on the road and...
The colours seen in the thin films of oil on the road and in soap bubbles are due to
reflection
interference
diffraction
polarization
Correct answer is B
A simple form of interference pattern is obtained if two plane waves of the same frequency intersect at an angle. Interference is essentially an energy redistribution process.
Which of the following instruments has a pure tone? ...
The walls and ceilings of many standard auditoria are covered with perforated pads to ...
Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred...
A device consumes 100 W of power when connected to a 120 V source. Calculate its resistance ...