Electromagnetic Wave Basics

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What property of light counts the number of waves that pass by a given point in one second?

Speed

Energy

Wavelength

Frequency (correct)

What is the distance from the peak of one wave to the peak of the next called?

Speed

Wavelength (correct)

Frequency

Energy

What is the speed of light in free space (in vacuum)?

3*10^6 m/s

3*10^8 m/s (correct)

3*10^5 m/s

3*10^7 m/s

What happens to the velocity and wavelength of light when it passes from one medium to another?

They change Signup and view all the answers

Which property describes light as a form of energy propagated as electromagnetic waves?

Energy Signup and view all the answers

Which part of the eye is responsible for the adaptation of vision from light to dark and vice versa?

The iris Signup and view all the answers

What is the function of the pupil in the eye?

To adapt vision from light to dark and vice versa Signup and view all the answers

Why does the lens have a smaller focusing power compared to the cornea?

It is surrounded by substances with similar refractive indexes Signup and view all the answers

What is the main function of the cornea in vision?

To focus light onto the retina Signup and view all the answers

In average light conditions, what is the approximate diameter of the pupil?

$3$ mm Signup and view all the answers

Electromagnetic Wave Basics

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Questions and Answers

What property of light counts the number of waves that pass by a given point in one second?

What is the distance from the peak of one wave to the peak of the next called?

What is the speed of light in free space (in vacuum)?

What happens to the velocity and wavelength of light when it passes from one medium to another?

Which property describes light as a form of energy propagated as electromagnetic waves?

Which part of the eye is responsible for the adaptation of vision from light to dark and vice versa?

What is the function of the pupil in the eye?

Why does the lens have a smaller focusing power compared to the cornea?

What is the main function of the cornea in vision?

In average light conditions, what is the approximate diameter of the pupil?

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