JEE PHYSICS MCQ: WAVE OPTICS

1 Medium

1 of 1

Understanding +4 | -1

Colours of thin films result from

Or

On a rainy day, a small oil film on water show brilliant colours. This is due to

View answer and explanation

Correct option: B

Interference of light

Option B (Interference of light) is correct because the colors seen in thin films are a result of constructive and destructive interference of light waves.

More Questions from WAVE OPTICS

Practice All Chapter MCQs →

Which of the following properties of electromagnetic waves does not support particle nature of radiation (electromagnetic wave)? Spherical wavefronts, emanating from a point source, strike a plane reflecting surface. What will happen to these wave fronts, immediately after reflection? An astronomical telescope is able to resolve two stars at an angular separation of

10^{-3}

degree. If wavelength of light used is

500 {~nm}

, then the diameter of the objective of the telescope is An interference pattern was made by using red light. If the red light changes with blue light, the fringes will become H-polaroid is prepared by Specific rotation of sugar solution is

0.01\;SI

units.

200\;kg{m^{ - 3}}

of impure sugar solution is taken in a polarimeter tube of length

0.25\;m

and an optical rotation of

0.4\;rad

is observed. The percentage of purity of sugar is the sample is