It is natural and u can't by it
Answer : The energy released by an electron in a mercury atom to produce a photon of this light must be, 
Explanation : Given,
Wavelength = 
conversion used : 
Formula used :

As, 
So, 
where,
= frequency
h = Planck's constant = 
= wavelength = 
c = speed of light = 
Now put all the given values in the above formula, we get:


Therefore, the energy released by an electron in a mercury atom to produce a photon of this light must be, 
Answer:
Ways the Sun's thermal energy can be transferred.
Explanation:
They are all heat transfer methods
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Answer:
refer attachment
Explanation:
The diagrams has been made in the attachment section. Please refer.