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What is the frequency of a wave whose wavelength is 5 cycle and whose frequency is 5Hz?
The answer is in the question! 5 Hz Also, a wavelength cannot be 5 cycles - wrong units.
What is the speed of a wave whose wavelength is 5 cycle and whose frequency is 5Hz?
I've got no idea what a "5 cycle wavelength" is. However, I would just apply this formula: v = fλ, where v is the velocity (speed in m/s) of the wave, f is the frequency (in hertz), and λ is the wavelength (in m).
What is the wavelength of waves whose speed is 20 meters min and a period of 30 seconds a10 b5 c6 d6m e none of these?
Wavelength = (speed)/(frequency)Frequency = 1/periodso wavelength = (speed) x (period)Speed = (20 meter/min) x (1 min/60 sec) = 1/3 meter/secWavelength = (speed) x (period) = (1/3 meter/sec) x (30 sec) = 10 metersThe correct choice is a .
What is the frequency of sound waves in a air whose wavelength 25Cm?
speed of sound in air 334 m/s 334/0.25 = 1336 Hz
What is the length of a rectangle whose area is 72 square meters and whose width is 6 meters?
The length of a rectangle whose area is 72 square meters and whose width is 6 meters, would be 12. Note that 12 x 6 = 72.
