Physics

posted by .

Problem 17.26

A thin film of (MgF2) n= 1.38 coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500nm and 625nm .


Part A -

What is the thinnest film for which this can occur?

  • Physics -

    906nm

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics -Interference & Diffraction

    Given Information: Light of wavelength 631 nm passes through a diffraction grating having 485 lines/mm. Part A: What is the total number of bright spots (indicating complete constructive interference) that will occur on a large distant …
  2. Physics

    What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection?
  3. Physical Science

    These are two questions that I need help with: 1.What statement about light traveling through water and glass is true?
  4. physics

    Would you see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass?
  5. physics

    Would you see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass?
  6. Physics

    In one section of the pool, there is a thin film of oil on the surface of the water. The thickness of the film is 1.0 X l0^-7 meter and the index of refraction of the oil is 1.5. The light source is now held in the air and illuminates …
  7. physics

    monochromatic light of wavelength λ=800nm illuminates normally a thin liquid film with nf =4/3 and t=500nm lying on a glass of refractive index n=2.5 The liquids refractive index can be continuously increased up to some limiting …
  8. physics

    A coating of MgF2 (n = 1.38) is deposited on a glass plate (n = 1.50). Light is incident (from air) onto the plate at angle 60¡ã degrees from the normal to the surface. (Note that this is not nearnormal incidence and you will have …
  9. PHYSICS

    What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection?
  10. physics

    An object emitting 500nm wavelength light moves away from you at half of the speed of light. What is the observed wavelengths of the light?

More Similar Questions