CUET · PHYSICS · PYQ PAPER 2023
\( E_1 \) and \( E_2 \) represents potential and kinetic energies of the orbital electron respectively then:
- A \( E_2 = \frac{-E_1}{2} \)
- B \( E_2 = -E_1 \)
- C \( E_2 = -2E_1 \)
- D \( E_2 = E_1 \)
Answer & Solution
Correct Answer
(A) \( E_2 = \frac{-E_1}{2} \)
Step-by-step Solution
Detailed explanation
Kinetic energy \( E_2 = \frac{kZe^2}{2r} \) Potential energy \( E_1 = \frac{-kZe^2}{r} \) \( E_2 = \frac{1}{2} \left( -E_1 \right) \) \( E_2 = \frac{-E_1}{2} \)
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