An observer can see, through a pin-hole, the top end of a thin rod ... VIDEO
An observer can see, through a pin-hole, the top end of a thin rod of height \( h \), placed as shown in the figure. The beaker height is \( 3 \mathrm{~h} \) and its radius is \( h \). When the beakerhttps://bit.ly/YTAI_PWAP https://www.pw.live
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