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.
The graph of density against temperature for water is correctly illustrated by ...
Which of the following statements about X-rays is not correct? They ...
Consider the wave equation y = 5mm sin [1cm−1x - 60s−1t]. The wave number is?...
Which of the following statements about an electromagnet is not correct? ...