Lesson 3.3.1.2
3.3.1.2 Longitudinal and transverse waves Quiz: AQA Physics, Unit 3
20 questions
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Lesson 3.3.1.2, Longitudinal and transverse waves: 20 multiple choice questions for the AQA Physics (7408), Unit 3: Waves, written with Revision Ninja.
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The 20 questions
-
In a transverse wave, the displacement of particles is in which direction relative to energy transfer?
- perpendicular to the direction of energy transfer
- parallel to the direction of energy transfer
- in circles about a fixed point
- there is no displacement
-
In a longitudinal wave, the displacement of particles is in which direction relative to energy transfer?
- parallel to the direction of energy transfer
- in circles about a fixed point
- in random directions
- perpendicular to the direction of energy transfer
-
Which of these is a longitudinal wave?
- sound
- light
- radio waves
- waves on a string
-
Which of these is a transverse wave?
- light
- ultrasound
- compression waves in a spring
- sound in air
-
What is the speed of all electromagnetic waves in a vacuum?
- 3.0 × 10^6 m/s
- 3.0 × 10^8 m/s
- 340 m/s
- 1.5 × 10^8 m/s
-
What does the polarisation of a wave provide evidence for?
- That the wave is a particle
- That the wave is stationary
- That the wave is longitudinal
- That the wave is transverse
-
Why are aerials aligned with each other for transmission and reception?
- To increase the speed of the wave
- To reduce the wavelength of the wave
- To change the frequency of the wave
- To match the plane of polarisation of the wave
-
In a sound wave in air, how do the air particles move?
- They do not move at all
- Up and down at right angles to travel
- Back and forth along the direction the wave travels
- In circles about fixed points
-
Unpolarised light of intensity I0 passes through an ideal polariser. What is the transmitted intensity?
- I0/4
- zero
- I0
- I0/2
-
Polarised light passes through two polarisers whose axes are crossed at 90 degrees. What is the transmitted intensity?
- I0/2
- I0/4
- zero
- I0
-
Which electromagnetic wave has the longest wavelength?
- microwaves
- gamma rays
- radio waves
- X-rays
-
In an electromagnetic wave, how are the electric and magnetic fields oriented?
- Parallel to each other
- Perpendicular to each other and to the direction of travel
- Parallel to the direction of travel only
- Perpendicular to each other but parallel to travel
-
Why can sound not be polarised?
- Sound has no amplitude
- Its particles oscillate along the direction of travel, so there is no transverse plane to align
- Sound has no frequency
- Sound travels too slowly
-
A vertically polarised transmitted wave is received by a horizontal aerial. What is the result?
- A signal of double strength
- A maximum signal
- A very weak or no signal
- A signal with doubled frequency
-
Why does sound require a medium to travel?
- Particles must be compressed and rarefied to carry the wave
- Field lines must be present
- The frequency must be zero
- Electric charge must move through the air
-
A wave travels to the right while a particle moves up and down. What type of wave is it?
- transverse
- stationary
- longitudinal
- compression
-
Ultrasound travelling through body tissue is which type of wave?
- polarised
- electromagnetic
- transverse
- longitudinal
-
Which statement about electromagnetic waves is correct?
- They are longitudinal and need a medium
- They are transverse and can travel through a vacuum
- They are longitudinal and travel through a vacuum
- They are transverse and need a medium
-
Which of these can be polarised?
- light
- compression waves in a spring
- ultrasound
- sound
-
What type of wave is a compression wave travelling along a slinky?
- stationary
- transverse
- polarised
- longitudinal
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