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10 Questions

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Malus's Law and Polarization of Light

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Questions and Answers

What does Malus's Law describe in relation to light?

The relationship between intensity and polarization angle (correct)

The speed of light in different media

The wavelength of light passing through a polarizer

The angle of incidence of light on a surface

In the experiment setup, what component is used to measure the intensity of light after passing through the analyzer?

Spectrometer

Oscilloscope

Photometer

Lux meter (correct)

Which of the following describes the relationship between initial intensity ( extit{I0}) and transmitted intensity ( extit{I}) according to Malus's Law?

I = I0 cos²θ (correct)

I = I0 tan²θ

I = I0 + θ

I = I0 sin²θ

What kind of light is emitted by the light source in this experiment?

Unpolarized light Signup and view all the answers

What happens to the light intensity when the angle between the polarizer and the analyzer is 90 degrees?

Intensity becomes zero Signup and view all the answers

What happens to the intensity of unpolarized light when it passes through a polarizing sheet?

The intensity is reduced to half. Signup and view all the answers

Which equation describes the transmitted intensity of polarized light through a second polarizing sheet at an angle?

$I = I_0 an^{2} heta$ Signup and view all the answers

What is the effect on the transmitted light intensity when two polarizing sheets are oriented at an angle of $90^{ ext{o}}$?

The intensity is zero. Signup and view all the answers

What defines the transmission axis of a polarizing sheet?

The direction in which all electric field vectors vibrate. Signup and view all the answers

In the context of polarized light, what does the variable $ heta$ represent in the equation $I = I_0 ext{cos}^{2} heta$?

The angle between the electric field vector and the transmission axis. Signup and view all the answers