energy radiation is 7.95 x10^-19 calculate the wavelength
Answers
Answered by
0
Answer:
If you use Planck-Einstein equation, E = h.f where h is Planck's constant, which 6.626 x
10
−
34
J.s, then you can work out the frequency: f = E/h, = 4.41 x
10
−
19
/6.626 x
10
−
34
= 6.655 x
10
14
Hz.
Then convert frequency to wavelength using
λ
= c/f where c is the speed of light, 3 x
10
8
m/sec.
λ
= 3 x
10
8
/ 6.655 x
10
14
= 4.51 x
10
−
7
m.
Answered by
0
Answer:
y
Energy of photon, E=hc/λ or λ=hc/E
Where, h=6.626×10
−34
Js,c=3×10
8
ms
−1
Given E=3.03×10
−19
J/atom
By putting all these values, we get-
λ=6.626×10
−34
×3×10
8
/(3.03×10
−19
)
λ=6.56×10
−7
m=656nm
Step-by-step explanation:
Hope it will help you!!!!
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