Question

1. The dimensions of h/e are same as that of (where h = planck's constant and e = charge)
1) Magnetic field induction 2) Magnetic flux
3) Electric field strength 4) Electric flux

Answer 1

we know,
E = hv
where E is energy , h is plank constant
v is the frequency of photon
h = E/v

so, dimension of h = [ ML²T^-1]
so,
dimension of h/e = [ ML²T-¹ ]/[AT]
= [ ML²T-²A-¹]

now , check ,

(1) dimension = [ MLT-²]/[AL] = [ MA-¹T-²]

(2) dimension =[ MLT-²][L]/[A] = [ ML²T-²A-¹]

(3) dimension = [ MLT-²]/[AT] = [MLT-³A-¹]

(4) dimension = [ML³T-³A-¹]


hence, here dimension of option (2) is same that dimension of h/e

so, option (2) is answer

Answer 2

Answer:

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