698490
Description
Quiz by kate.siena, updated more than 1 year ago
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Created by kate.siena
over 10 years ago
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Question 1
Question
In a transverse wave the oscillations are perpendicular to the direction of energy transfer
Answer
- True
- False
Question 2
Question
Transverse waves cannot travel through a vacuum
Answer
- True
- False
Question 3
Question
Frequency is measured in...
Answer
-
Ohms
-
Hertz
-
m/s
Question 4
Question
When light enters a more dense medium it is refracted
Answer
-
towards the normal
-
away from the normal
Question 5
Question
Waves are not refracted if they are travelling along the normal
Answer
- True
- False
Question 6
Question
Which are true?
Answer
-
Electromagnetic waves are transverse
-
Sound are transverse
-
Some waves transfer energy
-
In longitudinal waves, there are compressions and rarefactions
-
In longitudinal waves, there are compressions and expansions
Question 7
Question
Which are uses for microwaves?
Answer
-
remote controls
-
sterilising surgical instruments
-
mobile phones
-
satellite television
-
bluetooth
-
security marking
Question 8
Question
Long exposure to electromagnetic waves can cause serious damage to cells in our bodies
Answer
- True
- False
Question 9
Question
What is the range of human hearing?
Answer
-
200 - 20000 Hz
-
20 - 2000 Hz
-
20 - 200000
-
20 - 20000Hz
-
200 - 2000 Hz
Question 10
Question
When waves are reflected, the angle of incidence = angle of refraction
Answer
- True
- False
Question 11
Question
What is the normal?
Answer
-
A line parallel to the reflecting surface at the point of incidence
-
A line perpendicular to the reflecting surface at the point of incidence
-
A line diagonal to the reflecting surface at the point of incidence
Question 12
Question
The Doppler Effect is a change in the observed wavelength and frequency
Answer
- True
- False
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