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WorksheetsP6. Waves
Total questions: 16
Worksheet time: 12mins
What are the units for wavelength?
Feet
Metres
Hertz
Seconds
What happens to the frequency as the wavelength of a wave is halved? (assume v is constant)
It halves too
It goes down
It doubles
It remains constant
Which distance correctly shows one wavelength?
A → C
D → G
B → F
E → H
A sound wave with a larger amplitude would be
quieter
louder
higher pitched
lower pitched
Red light has a wavelength of 630nm. Which of these correctly show this in standard form.
6.3x10-9
6.3x10-7
63.0x10-7
63.0x10-9
Which letter shows an area of rarefaction
(a)
Which of the following is NOT an electromagnetic wave?
Infra-red
Ultra Violet
X-Ray
Sound
Which of these electromagnetic waves has the shortest wavelength
X-Rays
Ultra-violet
Red Light
Blue Light
An electromagnetic wave travels at 300,000,000m/s. Calculate the wave length of a EM wave with a frequency of 300kHz
(a)
A bat emits a sound wave with a frequency of 25,000Hz and a wavelength of 0.0136m. Calculate the speed of sound.
(a)
A sound wave takes 0.25s to reach the sea floor, travelling at 1600m/s. Calculate the distance to the sea floor.
(a)
What do we call sounds which are above the range of human hearing?
Ultrascan
Ultrasound
Infrasound
Infrared
A person counts 12 waves passing them in 4 seconds. What is the frequency of these waves?
(a)
Two of these statements are true, tick the TWO TRUE statements.
All objects absorb infra red radiation
Black surfaces are poor emitters of infra red radiation
A hot object emits more infra red radiation than a cooler object.
Black surfaces are good reflectors of infra red radiation
Which part of the EM spectrum, emitted by the sun, causes skin damage, and is protected against using sun screen?
(a)
Which part of the EM spectrum is used in night vision, low light photography and television remote controls?
(a)
