What is the effect of increasing the wavelength of light in a double-slit diffra

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Question: What is the effect of increasing the wavelength of light in a double-slit diffraction experiment?

Options:

Correct Answer: Fringe separation increases

Solution:

Increasing the wavelength increases the fringe separation, as it is directly proportional to the wavelength.

What is the effect of increasing the wavelength of light in a double-slit diffraction experiment?

What is the effect of increasing the wavelength of light in a double-slit diffraction experiment?

Step 1: Understand that in a double-slit diffraction experiment, light passes through two narrow slits.
Step 2: Know that when light passes through the slits, it creates a pattern of bright and dark spots called fringes on a screen.
Step 3: Recognize that the distance between these bright spots (fringe separation) is important.
Step 4: Learn that the wavelength of light is the distance between two peaks of the light wave.
Step 5: Realize that if you increase the wavelength of the light, the distance between the peaks becomes larger.
Step 6: Understand that a larger wavelength means the fringes on the screen will be further apart from each other.
Step 7: Conclude that increasing the wavelength increases the fringe separation in the diffraction pattern.

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