Question

Express length 'l' in terms of planck constant 'h' , mass 'm' and speed of light 'c'.​

Answer 1

Mass energy relationship.

E=mc2

m=E/c2

Angular momentum

mvr=nh/2pi

r=nh/2pimv 1

putting the value of m in EQ 1

r=nh/2piEv/c2

r=nhc2/2piEv

Answer 2

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