MCQ
In Rutherford's $\alpha\text{ - particle}$ scattering experiment, what will be correct angle for α scattering for an impact parameter b = 0?
- A90º.
- B270º.
- C0º.
- D180º.
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In hydrogen atom, electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be
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(a) 3.4 |
(b) 6.8 |
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(c) 3.4 |
(d) 6.8 |
Kirchoff’s I law and II law of current, proves the
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(a) Conservation of charge and energy |
|
(b) Conservation of current and energy |
|
(c) Conservation of mass and charge |
|
(d) None of these |
