Home
Class 12
PHYSICS
What causes change in the colours of the...

What causes change in the colours of the soap or oil films for the given beam of light?

A

Angle of incidence

B

angle of reflection

C

thickness of film

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WAVE OPTICS

    MOTION|Exercise EXERCISE - 2 (Level - II) (Multiple Correct | JEE Advanced) Section A - Interference Problems + Wavefronts & Hugen’s Principle|1 Videos

  • WAVE OPTICS

    MOTION|Exercise EXERCISE - 2 (Level - II) (Multiple Correct | JEE Advanced) Section B - YDSE Experiment|1 Videos

  • WAVE OPTICS

    MOTION|Exercise EXERCISE - 2 (Level - I) (Objective Problems | JEE Main) Section B - YDSE Experiment|17 Videos

  • WAVE MOTION

    MOTION|Exercise Exercise - 3 Section - B (Previous Years Problems)|7 Videos

  • WAVES

    MOTION|Exercise EXERCISE -4 (Level -II) (previous year JEE Advanced)|10 Videos

Similar Questions

Explore conceptually related problems

What is a beam of light ?

What is a divergent beam of light?

Knowledge Check

  • What causes changes in the colours of the soap or oil films for the given beam of light

    A
    Angle of incidence
    B
    Angle of reflection
    C
    Thickness of film
    D
    None of these

  • Dark and colour patterns on thin soap films are due to-

    A
    Interference of light
    B
    Diffraction of light
    C
    Dispersion of light
    D
    Polarization of light

  • Assertion: The colour of the oil film on the surface of water continuously changes. Reason: The colour of the light reflected by the oil film depends upon its thickness.

    A
    Assertion is True, Reason is True, Reason is a correct explanation for Assertion
    B
    Assertion is True, Reason is True, Reason is not a correct explanation for Assertion
    C
    Assertion is True Reason is False.
    D
    Assertion is False, Reason is True.

    • Similar Questions

    Explore conceptually related problems

    what is the cause is due colour of ocean ?

    A parallel beam of light of wavelenght 560 nm falls on a film of oil (refractive index =1.4 ). What should be the minimum thickness of the film so that it weakly transmits the light ?

    What is the chemical name of the soap prepared from castor oil ?

    In the given figure, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism it produces a spectrum XY on a screen. (a) State the colour seen at X and Y. (b) Why do different colours of white light bend through different angles with respect to the incident beam of light?

    A soap film in formed on a frame of area 4xx10^(-3)m^(2) . If the area of the film in reduced to half, then the change in the potential energy of the film is (surface tension of soap solution =40xx10^(-3)N//m)

    Home
    Profile