The speed of sound waves is 8 m/sec and the wavelength is 2.5 m. The frequency of this wave will be _____?
Answer: 3.2 Hz
Explanation
Frequency is calculated using the formula:
f = v / λ
where v = 8 m/s (speed), λ = 2.5 m (wavelength)
So, f = 8 / 2.5 = 3.2 Hz
This question appeared in
Past Papers (5 times)
ETEA 25 Years Past Papers Subject Wise (Solved) (2 times)
ETEA Past Papers (1 times)
KPK Teacher Past Papers SST PST CT TT PET (2 times)
This question appeared in
Subjects (1 times)
EVERYDAY SCIENCE (1 times)
Related MCQs
- What is the wavelength of a sound wave with a frequency of 440 Hz if the speed of sound in air is 340 m/s?
- A tuning fork has a frequency of 300 Hz and produces a sound wave with a wavelength of 4 feet. What is the velocity of sound in air?
- A tuning fork having angular frequency equal 440Hz produces sound waves which travel with the speed of 340 m/s. What is the separation between a compression and the adjacent rarefaction of the sound waves?
- If Bilal moves, with a speed equal to 0.5 that of sound, away from a stationary organ producing a sound of frequency 'f', he would probably hear a sound of frequency
- A traveling wave on a rope has a frequency of 2.5 Hz. If the speed of the wave is 1.5 m/s, what are its period and wavelenght
- A wave has a frequency of 500 Hz and a wavelength of 2 cm. What will be its velocity?
- As compared to sound waves, the frequency of radio waves is?
- The wavelength of the radio waves having 90 MHz frequency is?
- What is the wavelength of a wave with a period of 2 seconds and a speed of 2 cm/s?
- Select the appropriate Doppler equation when source is approaching the stationary observer where fo is the observed frequency, fs is frequency of source, v is the speed of sound, vs is the speed of source relative to observer?
