Refraction of Waves (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What causes refraction when a wave enters a new medium?
What causes refraction when a wave enters a new medium?
The wave's speed changes
Which property of a wave stays the same during refraction?
Which property of a wave stays the same during refraction?
Frequency
If wave speed decreases but frequency stays constant, what happens to wavelength?
If wave speed decreases but frequency stays constant, what happens to wavelength?
It decreases
What happens when a wave meets a boundary at a right angle (perpendicular)?
What happens when a wave meets a boundary at a right angle (perpendicular)?
Speed & wavelength change, not direction
In which type of air does sound travel faster?
In which type of air does sound travel faster?
Warm air
Why do sounds from distant sources seem clearer at night?
Why do sounds from distant sources seem clearer at night?
Sound waves bend downward toward ground
Sound at 680 Hz travels at . What is its wavelength?
Sound at 680 Hz travels at . What is its wavelength?
What is a wavefront?
What is a wavefront?
A line where all points are at same cycle
Why do ocean wavefronts bend toward the shore?
Why do ocean wavefronts bend toward the shore?
Waves slow in shallow water
Which is NOT a practical application of refraction?
Which is NOT a practical application of refraction?
Radio wave transmission