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Grade 10 Optics Review Flashcards | StudBud
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Grade 10 Optics Review
Grade 10 Optics Review
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Grade 10 Optics review.
Flashcards
20 cards
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Practice quiz
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Questions
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Answers
1
A natural example of dispersion is a(n):
oasis
rainbow
lightning
mirage
2
The material shown in the picture is:
translucent
opaque
transparent
reflective
3
What structure does light strike first when it enters the eye?
pupil
cornea
retina
lens
4
The measurement from rest position to the crest or trough is the:
speed
frequency
amplitude
wavelength
5
The centre, or flattest point of a curved mirror is called the:
vertex
axis of symmetry
optical centre
principle axis
6
A penumbra shows up when...
a large light source is used
ultraviolet radiation is present
you use a very small object
a point-source light is used
7
When light slows down, it...
bends towards the normal
decreases the refractive index
increases the refractive index
bends away from the normal
8
A convex mirror is also known as a:
diverging mirror
plane mirror
converging mirror
none are correct
9
Total internal reflection is related to:
all are correct
lasers
diffuse reflection
the critical angle
10
The retina connects to the optic nerve at the:
vitreous humour
sclera
blind spot
tapetum
11
What disorder is a result of an irregularly shaped cornea?
near-sightedness
far-sightedness
astigmatism
colour deficiency
12
What type of electromagnetic radiation is used to disinfect water?
infrared rays
gamma rays
microwaves
ultraviolet rays
13
Which of the following colours has the longest wavelength?
green
red
violet
yellow
14
What type of photoreceptor cell is responsible for detecting colour?
photonic
cone
rod
none are correct
15
If an object is placed inside F of a convex lens, the image will be:
virtual
inverted
smaller
real
16
Which of the following uses friction to produce light?
triboluminescence
chemiluminescence
electric discharge
fluorescence
17
If an object is placed outside of 2F, what type of image will result in a concave mirror?
virtual
upright
larger
smaller
18
What is used to correct near-sightedness?
retinal implants
colour filter glasses
convex lens
concave lens
19
What optical device has an optical lens and an objective lens?
camera
reading glasses
microscope
telescope
20
What type of TV uses primary colour filters?
LCD
Plasma
LED
OLED
