Lecture 2a optical microscopy

Question 1

define white light

Answer 1

all colours of visible spectrum represented

Question 2

define emission spectrum

Answer 2

the wavelength(s) of light emitted by a light source when electrical nrg is applied

Question 3

define angle of incidence (I)

Answer 3

angle btw incident light ray and normal

Question 4

define angle of reflection

Answer 4

angle at which light rays are bounced back from a surface

Question 5

define angle of refraction

Answer 5

the angle btw refracted light ray and normal

Question 6

define angle of refractive index (RI or n)

Answer 6

ratio of speed of light (c) in vacuum relative to that in a given medium

Question 7

define diffraction

Answer 7

light scatter as it passes by and contacts objects

Question 8

define total internal reflection

Answer 8

j

Question 9

define focal point

Answer 9

point at which refracted rays converge on the other side of the lens

Question 10

define focal length

Answer 10

distance from the midpoint of the lens to the focal point

Question 11

describe relationship btwn angle of incidence and able of reflection of light ray on flat service

Answer 11

wha

Question 12

what happens to light ray when it travels btw diff media with AOI = 0

Answer 12

f