In which of the following cases is the angular momentum conserved ?

1.	In which of the following cases is the angular momentum conserved ?
Answer» <html><body><p>The planet Neptune moves in an elliptical orbit with the sun at one of the foci of the ellipse. <br/>An electron <a href="https://interviewquestions.tuteehub.com/tag/describes-948998" style="font-weight:bold;" target="_blank" title="Click to know more about DESCRIBES">DESCRIBES</a> a Sommerfield elliptical orbit round the nucleus. <br/>An `alpha`- particle, approaching a nucleus, is scattered by the force of electronstatic repulsion between the two. <br/>A boy <a href="https://interviewquestions.tuteehub.com/tag/hurls-7688383" style="font-weight:bold;" target="_blank" title="Click to know more about HURLS">HURLS</a> a stone <a href="https://interviewquestions.tuteehub.com/tag/tied-7301691" style="font-weight:bold;" target="_blank" title="Click to know more about TIED">TIED</a> to a string ina horizontal <a href="https://interviewquestions.tuteehub.com/tag/circle-916533" style="font-weight:bold;" target="_blank" title="Click to know more about CIRCLE">CIRCLE</a>. </p>Answer :A::<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>::C</body></html>

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