18 Questions
What is the amplitude of a wave?
Half the difference in height between the crest and the trough
What determines the color of light?
The wavelength of the wave
What is the frequency of a wave?
The number of waves per second
What is the definition of coherent light rays?
Light rays of identical frequency from the same source
What happens when a beam of light strikes a surface at an angle?
It is reflected
What is the refractive index of a material?
The ratio of the sine values of the angles of incidence and refraction
What is a characteristic of diverging lenses?
They are relatively thin across their middle and thick at their upper and lower edges
What happens to light rays in a real image?
They converge to a point on the other side of the lens
What is the orientation of a real image?
It is inverted
What happens to light rays in a virtual image?
They diverge on the other side of the lens
What is the characteristic of a virtual image?
It is upright
Can a virtual image be projected on a screen?
No
What is the refractive index of blue light with a wavelength of 434 nm?
1.528
What is the principle of diffraction?
Bending of light as it passes the edge of an object
What is the focal length of a lens?
The distance between the lens and the principle focus
What type of lens converges rays of light?
Convex lens
What is the refractive index of air?
1.0
What is the term for the separation of white light into spectral colors?
Dispersion
Test your knowledge of the properties of light, including its wave characteristics, amplitude, and intensity. Also, explore the history of microscopy and its applications in biology.
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