Diffraction 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 is diffraction?
What is diffraction?
Spreading of waves beyond a gap/obstacle
How does opening size affect diffraction when wavelength stays constant?
How does opening size affect diffraction when wavelength stays constant?
Smaller opening causes greater diffraction
Which type of sound diffracts more around corners?
Which type of sound diffracts more around corners?
Low frequency (long wavelength) sounds
Which properties remain unchanged when a wave is diffracted?
Which properties remain unchanged when a wave is diffracted?
Speed, wavelength, and frequency
Why do bass sounds from music travel throughout buildings more easily than high-pitched sounds?
Why do bass sounds from music travel throughout buildings more easily than high-pitched sounds?
Bass has longer wavelengths that diffract more
What is the wavelength of a Hz sound in air? (speed of sound m/s)
What is the wavelength of a Hz sound in air? (speed of sound m/s)
m
Why does music from a car always sound bass-heavy from outside?
Why does music from a car always sound bass-heavy from outside?
Only low frequencies diffract well through windows
Why do bats use high frequency ultrasound for echolocation?
Why do bats use high frequency ultrasound for echolocation?
Short wavelengths detect small insects
When does substantial diffraction occur?
When does substantial diffraction occur?
When wavelength is similar to aperture size
A bat uses Hz ultrasound. What is the smallest prey it can detect?
A bat uses Hz ultrasound. What is the smallest prey it can detect?
mm