AP EAMCET · Chemistry · Structure of Atom
The velocities of two particles \(A\) and \(B\) are 0.05 and \(0.02 \mathrm{~ms}^{-1}\) respectively. The mass of \(B\) is five times the mass of \(A\). The ratio of their de-Broglie's wavelength is
- A \(2: 1\)
- B \(1: 4\)
- C \(1: 1\)
- D \(4: 1\)
Answer & Solution
Correct Answer
(A) \(2: 1\)
Step-by-step Solution
Detailed explanation
Given, velocity of particle \(A=0.05 \mathrm{~ms}^{-1}\) Velocity of particle \(B=0.02 \mathrm{~ms}^{-1}\) Let the mass of particle \(A=x\) \(\therefore\) The mass of particle \(B=5 x\) de-Broglie's equation is \[ \lambda=\frac{h}{m v} \] For particle \(A\)…
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