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Michelson interferometer: To use the interferometer to measure wavelength of the He-Ne laser and to measure the refractive index of air

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What is the primary function of a Michelson interferometer?

a: To amplify light intensity Explanation

Explanation

b: To split and recombine light beams to produce interference patterns Explanation

Explanation

c: To measure sound waves Explanation

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d: To filter laser beams Explanation

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What property of light does a Michelson interferometer measure?

a: Wavelength and refractive index Explanation

Explanation

b: Amplitude only Explanation

Explanation

c: Speed of sound Explanation

Explanation

d: Polarization Explanation

Explanation

What is the role of the beam splitter in the Michelson interferometer?

a: To focus the light beam Explanation

Explanation

b: To split the incoming light into two paths Explanation

Explanation

c: To absorb excess light Explanation

Explanation

d: To change the color of the light Explanation

Explanation

Why is a He-Ne laser commonly used in interferometry?

a: It emits sound waves Explanation

Explanation

b: It provides a coherent and stable light source Explanation

Explanation

c: It is less expensive than other lasers Explanation

Explanation

d: It has a variable wavelength Explanation

Explanation

What happens when the movable mirror in a Michelson interferometer is adjusted?

a: The light becomes dimmer Explanation

Explanation

b: The interference fringes shift Explanation

Explanation

c: The laser turns off Explanation

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d: The beam splitter rotates Explanation

Explanation

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