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Whichof the diagrams in figure correctly shows the change in kinetic energy of an iron sphere falling freely in a lake having sufficient depth to impart it a terminal velocity ?

Answer» <html><body><p><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P1_C06_E04_017_O01.png" width="30%"/><br/><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P1_C06_E04_017_O02.png" width="30%"/><br/><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P1_C06_E04_017_O03.png" width="30%"/><br/><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P1_C06_E04_017_O04.png" width="30%"/></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/intially-2132834" style="font-weight:bold;" target="_blank" title="Click to know more about INTIALLY">INTIALLY</a> ,velocity of the ironsphere increases and after <a href="https://interviewquestions.tuteehub.com/tag/sometime-7378352" style="font-weight:bold;" target="_blank" title="Click to know more about SOMETIME">SOMETIME</a> becomes constant ,called <a href="https://interviewquestions.tuteehub.com/tag/terminalvelocity-3104224" style="font-weight:bold;" target="_blank" title="Click to know more about TERMINALVELOCITY">TERMINALVELOCITY</a> .Hence ,<a href="https://interviewquestions.tuteehub.com/tag/initially-516121" style="font-weight:bold;" target="_blank" title="Click to know more about INITIALLY">INITIALLY</a> KE increases and then becomes constant which is <a href="https://interviewquestions.tuteehub.com/tag/represented-7262203" style="font-weight:bold;" target="_blank" title="Click to know more about REPRESENTED">REPRESENTED</a> by .</body></html>


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