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An electron falling from one energy level to another emits a photon of wavelength 550nm. What is the difference between the two energy levels?

The key equation is that of the energy of a photon.

E = hc/λ​ 

Using λ​ = 550nm gives E = 3.61x10^-19...

JL
Answered by Jamie L. Physics tutor
2906 Views

To what extent can judicial subservience be held to represent a 'new settlement' with regard to constitutional authority in England and Wales?

            The principle of the 'sovereignty of Parliament'[1] was popularised by A.V. Dicey in the late 19th century.[2] He advocated a traditional absolutist conception of Parliamentary sovereignty,...

AL
Answered by Andy L. Law tutor
5314 Views

Find the square root of i

When dealing with powers of complex numbers, always start by putting the quantity into exponential form.

i has a magnitude of and an ...

JL
12855 Views

Differentiate the function y=(6x-1)^7

Which A-level modules did you take?

C1, C2, C3, C4

M1, M2, M3

S1, S2, S3

FP1, FP2

MW
Answered by Michael W. Maths tutor
4706 Views

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