The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998
x 108 m/s. Which waves are found in this region?
A. gamma rays
B. visible light
C. microwaves
D. radio waves
E. x–rays
2 answers:
Answer:
Gamma rays
Explanation:
The wavelength (λ) of electromagnetic waves is related to the frequency (ν) as follows:
λ = c/ν
where c = speed of light
ν = frequency
Given:
c = 2.998*10⁸ m/s
ν = 3*10¹⁹ Hz = 3*10¹⁹ s-1
Therefore: λ = 2.998*10⁸ m/s/ 3*10¹⁹ s-1 = 1.0 *10⁻⁸ m = 10 nm
A wavelength of 10 nm falls in the gamma region of the electromagnetic spectrum
Answer:-
A gamma rays
Explanation
Wavelength = speed of light / frequency
= (2.998 x 10^8 m/s)/ (3 x 10^19 Hz)
= 0.9993*10^-11 m
which is less than the threshold for X rays 10^-11 m.
Hence waves are gamma.
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