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CBSE Class 11-science Answered

Formula of energy
Asked by kuldeepsingh33087 | 27 Jul, 2019, 11:35: AM
answered-by-expert Expert Answer
There are various formula in physics and chemistry according to various forms.
In CBSE 11th , Energy of Photon is given (
E equals h ϑ E minus E n e r g y h minus P l a n c k apostrophe s space c o n s tan t ϑ minus F r e q u e n c y space o f space l i g h t
Answered by Ravi | 27 Jul, 2019, 09:27: PM

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CBSE 11-science - Chemistry
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a photon of 3000 Angstrom is absorbed by a gas and then re-elected as two photons. One photon is red 7600  Angstrom  .  What wavelength of other photon?  Here I am knowing solution but I am not able to understand that why we are using formula ( h*c/lambda of total =  h*c/lambda of 1 +h*c / lambda of 2 ) Please solve it 
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Formula of energy
Asked by kuldeepsingh33087 | 27 Jul, 2019, 11:35: AM
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Light of wavelength 1281.8nm is emitted when an electron of hydrogen atom drops from 5th to 3rd energy level calculate the wavelength of the photon emitted when electron falls from 3rd to ground level. 
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CBSE 11-science - Chemistry
Hi 
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Asked by jain.pradeep | 02 May, 2019, 11:52: PM
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