The wavelength (λ), speed (c) and the frequency (ν) of a wave are related as:
ν = c/λ -----(1)
The speed of the waves is a constant in vacuum i.e. it remains at 3*10⁸ m/s. therefore, it will not change with changes in wavelength or frequency.
Let us consider:
ν1 = initial frequency and λ1 = initial wavelength
ν2 = final frequency and λ2 = final wavelength = 2(λ1)
based on equation (1) we have:
ν1/ν2 = λ2/λ1 = 2(λ1)/λ1 = 2
therefore: ν2 = 1/2(ν1)
The frequency will get reduced by one-half as the wavelength doubles.
Answer:
object b by 0.42g/cm cubic
Explanation:
density = mass/volume
object a =10/8
=1.25g/cm^3
object b = 10/6
=1.67g/cm^3
therefore object b has greater density and by 0.42g/cm^3 (1.67- 1.25)
Answer:
Explanation:
The wavelength of a wave can be found by using the formula
where
c is the speed of the wave
f is the frequency
From the question we have
Hope this helps you
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