Podcast
Questions and Answers
What property of light counts the number of waves that pass by a given point in one second?
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?
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)?
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?
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 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?
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?
What is the function of the pupil in the eye?
Why does the lens have a smaller focusing power compared to the cornea?
Why does the lens have a smaller focusing power compared to the cornea?
What is the main function of the cornea in vision?
What is the main function of the cornea in vision?
In average light conditions, what is the approximate diameter of the pupil?
In average light conditions, what is the approximate diameter of the pupil?
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