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WorksheetsUnit 4 Review
Total questions: 67
Worksheet time: 2hrs 38mins
True or False: Sound waves are produced when something vibrates.
True
False
Sound waves are _______ waves.
Transverse
Seismic
Longitudinal
Slow
Sound waves travel the fastest through _______.
Gases
Solids
Liquids
Plasma
True or False: Sound waves can travel through space.
True
False
The part of the ear that is spiral shaped and will send nerve impulses to the auditory nerve is the ________.
Ear drum
Cochlea
Outer Ear
Sound intensity is measured in _____.
Hertz
Nanometers
Decibels
True or False: According to the Doppler Effect, if an sound source is moving TOWARDS you, the pitch should be getting higher.
True
False
The high pressure waves reflect as high pressure at the end of a....
Closed pipe resonator
Open pipe resonator
Closed pipe harmonic
Open pipe harmonic
The length of the tube is 2 meters. How long is the wavelength of the wave?
1 meter
2 meters
1/2 meter
1/4 meter
Illuminance is measured in__________
lumens
candela
lumen per square metre
newton
luminous intensity increases with _________ in distance between source of light and surface on which it falls.
increase
decrease
complementary color for yellow is__________
blue
red
green
cyan
When light is blueshifted, the observed frequency _________
is lower
is higher
remains the same
none of the above
Which diagram represents diffuse reflection?
A
B
In the diagram, which letter represents the angle of incidence?
A
B
C
D

A convex lens produces a _______ image whereas a concave lens produces a _______ image
Virtual, real
Virtual; diffused
Real; refracted
Real; virtual
Total internal reflection is
When lateral inversion occurs
When the angle of reflection increases up to a critical point where all the light is reflected
When the angle of incidence increases up to a critical point where all the light is reflected
Used in surgery where a light is connected to an optical fibre
The above image is an example of a ____________. They happen because cool and hot air have a different ___________________________.
Mirage; angle of incidence
Optical fibre; refractive index
Lateral inversion; angle of reflection
Mirage; refractive index
How does a concave lens differ from a convex lens?
A convex lens is another way to describe a plane mirror; a concave lens is curved
A concave lens is curved inward on both sides; a convex lens is on only one side
A convex lens has a thick center and thin edges, a concave lens has a thin center and thicker edges
A convex lens has a thin center and thick edges. a concave lens has a thick center and thinner edges
Which type of lens is thin in the middle, is used to correct nearsightedness, and spreads out the light which pushes the image back to the retina?
convex lens
concave lens
A 25.0 m object is placed 30.0 m from a convex lens, which has a focal length of 5.0 m. What is the distance of the image?
6 m
7 m
8 m
9 m
