point P is just visible when no liquid is filled in vessel through a telescope in the air. When liquid is filled in the vessel completely

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In a vessel, as shown in figure, point P is just visible when no liquid is filled in vessel through a telescope in the air. When liquid is filled in the vessel completely, point Q is visible without
06
Oct
In a vessel, as shown in figure, point P is just visible when no liquid is filled in vessel through a telescope in the air. When liquid is filled in the vessel completely, point Q is visible without as shown in figure In a vessel point P is just visible when no liquid is filled [...]
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Tags: as shown in figure , In a vessel , point P is just visible when no liquid is filled in vessel through a telescope in the air. When liquid is filled in the vessel completely , point Q is visible without ,