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Review – Optics
1 – Define and give examples (when possible) for each of the following terms: (3 in writing)
radiation
transparent
translucent
opaque
Luminous
non luminous
refraction
total internal reflection
specular reflection
diffuse reflection
dispersion
critical angle
Real image
virtual image
converging lens
diverging lens
emergent ray
principal focus
optical centre
incandescence
electric discharge
phosphorescence
fluorescence
chemiluminescence
LED
bioluminescence
triboluminescence
2 – List the waves in the electromagnetic spectrum from lowest to highest energy. List a
common use/phenomena for each type of wave.
3 – List the colours that make up the visible spectrum from lowest to highest energy.
4 – What does the following acronym stand for SALT?
5 – Define and draw a diagram to illustrate lateral inversion.
6 – Draw and label a diagram to showing the following: plane mirror, normal, incident ray,
reflected ray, angle of incidence, angle of reflection
7 – Draw and label a diagram to illustrate the following: centre of curvature, principal axis,
vertex, focus, concave mirror, incident ray, reflected ray
8 – a) List the four rules for locating an image in a
converging mirror.
b) Draw an object between F and C. Determine
the location of your image. Describe it. (SALT)
9 – List
the three rules for locating an image in a
diverging mirror.
b) Draw an object in the convex mirror.
Determine the location of your image. Describe it.
(SALT)
10 – a) Use a diagram to explain refraction. Label the following components: medium A,
medium B, incident ray, refracted ray, normal, angle of incidence, angle of refraction.
b) Under what circumstance will light bend i)toward the normal?
ii) away from the normal?
11 – Calculate the index of refraction for vinegar if the speed of light in vinegar is 2.30 X 108
m/s. (Remember the speed of light in air is 3.00 X 108 m/s)
12 – The critical angle for sapphire is 34.4. For each angle of incidence, determine if it
would result in total internal reflection in sapphire.
a) 23.7
b) 34.7
c) 53.4
d) 31.5
13 – a) List the three rules for locating an
image in a converging lens.
b) Draw an object between F and 2F.
Determine the location of the image and
describe it (SALT).
14 - a) List the three rules for locating an
image in a diverging lens.
b) Draw an object between 2F’ and F’.
Determine the location of the image and
describe it (SALT).
Use the extra diagrams provided to
practice drawing objects at different locations and determining the image location.
Describe the image (SALT).