1.

A lead shot of 1 mm diameter falls through a long colummn of glycerine. The variation of the velocity v with distance covered (s) is represented by

Answer» <html><body><p><img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/PRE_GRG_PHY_XI_V02_C07_E06_031_O01.png" width="30%"/><br/><img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/PRE_GRG_PHY_XI_V02_C07_E06_031_O02.png" width="30%"/><br/><img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/PRE_GRG_PHY_XI_V02_C07_E06_031_O03.png" width="30%"/><br/><img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/PRE_GRG_PHY_XI_V02_C07_E06_031_O04.png" width="30%"/></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<a href="https://interviewquestions.tuteehub.com/tag/initially-516121" style="font-weight:bold;" target="_blank" title="Click to know more about INITIALLY">INITIALLY</a>, the velocity increases due to the action of gravity. But the graph is not linear due to the upthrust <a href="https://interviewquestions.tuteehub.com/tag/exerted-7272976" style="font-weight:bold;" target="_blank" title="Click to know more about EXERTED">EXERTED</a> by <a href="https://interviewquestions.tuteehub.com/tag/glycerine-474196" style="font-weight:bold;" target="_blank" title="Click to know more about GLYCERINE">GLYCERINE</a>. Then due to <a href="https://interviewquestions.tuteehub.com/tag/viscosity-13767" style="font-weight:bold;" target="_blank" title="Click to know more about VISCOSITY">VISCOSITY</a> of glycerine, the lead shots attains a constant terminal velocity.</body></html>


Discussion

No Comment Found