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Waves - Statistics
General Stats
- This quiz has been taken 10 times
- The average score is 10 of 32
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| maximum displacement from the equilibrium position | amplitude | 100%
|
| he number of times a wave oscillates in one second | frequency | 100%
|
| give an example of a longitudinal wave | sound/seismic-p | 75%
|
| a disturbance that transfers energy from one place to another, without transferring matter | wave | 75%
|
| give an example of a transverse wave | electromagnetic/seismic-s/water | 50%
|
| A wave where the oscillations are parallel to the direction of energy transfer | longitudinal wave | 50%
|
| A wave where the oscillations are perpendicular to the direction of energy transfer | transverse wave | 50%
|
| What is the phase difference of all points between two adjacent nodes on a stationary wave | 0 | 25%
|
| What is an antinode on a stationary wave | a point of maximum displacement | 25%
|
| What is a node on a stationary wave | a point of zero displacement | 25%
|
| what is produced from the superposition of two progressive waves travelling towards each other | a stationary wave | 25%
|
| Which way does light bend when it travels from a more optically dense medium to a less optically dense medium | away from the normal | 25%
|
| which lens focusses light on the focal point | converging | 25%
|
| which lens causes light rays to disperse or 'diverge,' making them appear as if they originated from a focal point in front of the lens | diverging | 25%
|
| the lowest frequency for a standing wave to be observed | first harmonic | 25%
|
| What happens to the intensity of a wave as it travels | it decreases | 25%
|
| why^ | it spreads out | 25%
|
| wave that results in the net transfer of energy from one point to another | progressive wave | 25%
|
| the phenomenon where light changes direction as it passes the boundary between different substances | refraction | 25%
|
| same frequency | 25%
| |
| Two waves are coherent if they have | same wavelength | 25%
|
| Which way does light bend when it travels from a less optically dense medium to a more optically dense medium | towards the normal | 25%
|
| fixed phase difference | 13%
| |
| why can't sound be polarised | it is a longitudinal wave | 13%
|
| it may be absorbed or scattered | 13%
| |
| what is the wavelength of a wave | length of one oscillation | 13%
|
| What happens when unpolarised light is passed through two polarising filters at 90° to each other | no light can pass through | 13%
|
| How does a stationary wave differ from a progressive wave in terms of energy transfer | no net energy transfer in a stationary wave | 13%
|
| What is the difference between unpolarised and polarised light | unpolarised has many planes of oscillation | 13%
|
| how can light be polarised | Unpolarised light is passed through a polarising filter | 13%
|
| when does constructive superposition occur | when the peaks and troughs are aligned | 13%
|
| when does destructive superposition occur | when waves are out of phase | 13%
|
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