A very thin transparent film of soap solution thickness - 0 is seen under reflection of white light- Then the colour of the film appear to be

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Laws of Refraction Using Huygens' Principle

A very thin t...

Question

A very thin transparent film of soap solution $(t h i c k n e s s \to 0)$ is seen under reflection of white light. Then the colour of the film appear to be

Blue

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Black

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Red

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Yellow

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Black
In such a case the distance traveled by the light inside the film is irrelevant. The two reflected waves are almost out of phase and interfere destructively and thus appears black.

Suggest Corrections

Similar questions

A very thin transparent film of soap solution of negligible thickness is seen under reflection of white light. Then the colour of the film appear to be :

A) blue

B) black

C) red

D) yellow

Q. A very thin film, in reflected white light appears -

Q. A very thin film in reflected white light appears

Q. A thin film of soap solution of refractive index

μ

and thickness t appears shining by a normal reflected light wavelength

λ

then t can be

Q. A soap film of thickness

0.3 μ m

appears dark when seen by the reflected light of wavelength

580 n m

. What is the index of reflection of the soap solution if it is known to be in between

1.3

and

1.5

Join BYJU'S Learning Program

A very thin transparent film of soap solution (thickness→0) is seen under reflection of white light. Then the colour of the film appear to be

The correct option is B BlackIn such a case the distance traveled by the light inside the film is irrelevant. The two reflected waves are almost out of phase and interfere destructively and thus appears black.

A very thin transparent film of soap solution $(t h i c k n e s s \to 0)$ is seen under reflection of white light. Then the colour of the film appear to be

The correct option is B Black
In such a case the distance traveled by the light inside the film is irrelevant. The two reflected waves are almost out of phase and interfere destructively and thus appears black.