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JEE PYQ: Atomic Structure Question 44

Question 44 - 2019 (12 Jan Shift 1)

If the de Broglie wavelength of electron in n$^{th}$ Bohr orbit in a hydrogenic atom is equal to $1.5\pi a_0$, then the value of n/z is:

(1). (0.40)

(2). (1.50)

(3). (1.0)

(4). (0.75)

Show Answer

Answer: (4)

Solution

$\lambda = \frac{2\pi a_0 n}{Z}$. $1.5\pi a_0 = \frac{2\pi a_0 n}{Z}$. $\frac{n}{Z} = 0.75$.


Learning Progress: Step 44 of 45 in this series