You cut very narrow slits a few micrometers apart in one endof a shoe box, and p

Question

You cut very narrow slits a few micrometers apart in one endof a shoe box, and placed a flashlight inside it.
When light from the two slits falls on a screen in the room,will you see interference fringes? What if the flashlight is replaced by a laser?
You cut very narrow slits a few micrometers apart in one endof a shoe box, and placed a flashlight inside it.
When light from the two slits falls on a screen in the room,will you see interference fringes? What if the flashlight is replaced by a laser?

Explanation / Answer

wavelngth of flash light is very large when compared to slit separation..So,interference fringes are not seen wavelength of the laser beam is comparable with the slitseparation.So, we see the interference fringes

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