What is the law of reflection?What is the critical angle?What is reflectivity?What is resolving power?What is...

What is the law of reflection?What is the critical angle?What is reflectivity?What is resolving power?What is one use of polarization?What was the significance of Young’s double slit experiment?What is a lens?Describe to types of lenses?What is the relationship between particle size and diffraction angle?What is anisotropy?

Solutions

Expert Solution

What is the law of reflection?
It states that all three rays, i.e the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane.
Furthermore, the angle of reflection is equal to the angle of incidence.

What is the critical angle?
It is the angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected.
This angle is soley responsible for total internal reflection.

What is reflectivity?
It is property of light which is material effectiveness of reflecting radiant energy

What is resolving power?
It is defined as the ability of a microscope or telescope or other optical instrument to distinguish two close together images as being separate.

What is one use of polarization?
Polarization has a wealth of other applications besides their use in glare-reducing sunglasses.
Polaroid filters are used to perform stress analysis tests on transparent plastics.
It is also used in Entertainment industries. Three-dimensional movies (3D) are actually two movies being shown at the same time through two projectors.

What was the significance of Young’s double slit experiment?
Young's double slit experiment proves that light is a wave. This is because it shows interference in the experiment, which is one of the natures of waves. But it fails to show particle nature of light. Particle nature is shown by photoelectric effect of light.

What is a lens?
It is a optical device that affects the focus of a light beam through refraction.

Describe to types of lenses?
They are distinguished as,
a) Convex
b) Concave
c) Biconvex
d) Plano Convex
e) Positive meniscus
f) Negative Meniscus
g) Plano Concave
h) Biconcave

What is the relationship between particle size and diffraction angle?
D = (0.9 * Lamda) / (B*CosA)
WHere,
D is the average crystalline size,
Lamda is the X-ray wavelength of 1.54 Ǻ,
A is the Bragg diffraction angle
B is the FWHM

What is anisotropy?
It is the property of being directionally dependent, as opposed to isotropy, which implies identical properties in all directions.

genius_generous answered 1 year ago

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