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Which of the following is/are possible values of radius of stable orbit of hydrogen atom ?
(a) `lambda/(2pi)` , (b)`(3lambda)/(4pi)` , (c )`lambda/pi` , (d)`(5lambda)/(4pi)`

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To determine the possible values of the radius of stable orbits of a hydrogen atom, we will use the Bohr model of the atom. According to this model, the radius of the orbit (r) can be expressed in terms of the wavelength (λ) associated with the electron and the quantum number (n). ### Step-by-Step Solution: 1. **Bohr's Condition for Stable Orbits**: According to Bohr's model, the circumference of the orbit is an integer multiple of the wavelength: \[ 2\pi r = n\lambda ...
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