Sound (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What happens to the pitch of a sound when its frequency increases?
What happens to the pitch of a sound when its frequency increases?
The pitch becomes higher
What is the lower limit of the human hearing range?
What is the lower limit of the human hearing range?
Hz
What term describes sound with frequency above Hz?
What term describes sound with frequency above Hz?
Ultrasound
Which animal can hear the highest frequency sounds?
Which animal can hear the highest frequency sounds?
Dolphins (up to Hz)
What happens to loudness when a sound wave's amplitude increases?
What happens to loudness when a sound wave's amplitude increases?
The sound becomes louder
What does the amplitude of a sound wave represent?
What does the amplitude of a sound wave represent?
Energy carried by the wave
At which frequency range are human ears most sensitive?
At which frequency range are human ears most sensitive?
- Hz
What term describes sound with frequency below Hz?
What term describes sound with frequency below Hz?
Infrasound
Which animal can hear the lowest frequency sounds?
Which animal can hear the lowest frequency sounds?
Dolphins (down to Hz)
What equipment displays sound wave characteristics visually?
What equipment displays sound wave characteristics visually?
Oscilloscope