CUET Preparation Today
Assertion (A) : Second orbit circumference of hydrogen atom is two times the de-Broglie wavelength of electrons in that orbit. Reason (R) : de-Broglie wavelength of electron in ground state is minimum. |
A and R are both true and R is the correct explanation of A. A and R are both true but R is NOT the correct explanation of A. A is true but R is false A is false but R is true |
A and R are both true and R is the correct explanation of A. |
mv2r2 = 2(h/2π) 2πr2 = 2(h/mv2) = 2λ2 λ = h/p
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