Curriculum
Course: Alhussan Physics — Stage 9
Login

Curriculum

Alhussan Physics — Stage 9

Chapter 11: Forces and Density

0/8

Chapter 12: Energy Transfer

0/20

Chapter 13: Sound Waves

0/13

Chapter 14: Electrical Circuits, Resistance and Power

0/17

Chapter 15: The Earth in Space (Universe and Stars)

0/14
Quiz

13.2 Pitch and frequency — Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 10
  • Passing grade: B+
Start Quiz
1.
Which term matches this definition? “The number of vibrations per second, measured in hertz.”
Loudness
Frequency
Amplitude
Wavelength
2.
Convert 2.5 kHz into Hz.
25 Hz
25,000 Hz
250 Hz
2500 Hz
3.
A wave has a period of 0.004 s. What is its frequency? (f = 1 ÷ T)
4 Hz
2500 Hz
25 Hz
250 Hz
4.
A high-pitched sound has:
A large amplitude always
A long wavelength
A high frequency and short wavelength
A low frequency
5.
True or false? Doubling the frequency raises the note by one octave.
True
False
6.
1 kHz = ____ Hz.
1 000 000
100
1000
10
7.
True or false? Amplitude decides the pitch of a sound.
True
False
8.
Which trace shows the highest pitch?
Dr Dabour Hub Academy - figure 1
Q
P
All equal
R
9.
1500 waves pass in 0.5 s. What is the frequency?
30,000 Hz
3000 Hz
1500 Hz
750 Hz
10.
A loud sound can be:
Silent
Only high-pitched
High-pitched or low-pitched
Only low-pitched
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Part of Chapter 13: Sound Waves — see every lesson and quiz in this unit.
Accepted payment methods