Why does water tank appear shallower when viewed from the top?

1.	Why does water tank appear shallower when viewed from the top?
Answer» <html><body><p> Due to refraction</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/bending-895097" style="font-weight:bold;" target="_blank" title="Click to know more about BENDING">BENDING</a> of light (i.e. refraction of light) as it moves from water to <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> makes the water tank <a href="https://interviewquestions.tuteehub.com/tag/appear-2437800" style="font-weight:bold;" target="_blank" title="Click to know more about APPEAR">APPEAR</a> to be less <a href="https://interviewquestions.tuteehub.com/tag/shallower-1204643" style="font-weight:bold;" target="_blank" title="Click to know more about SHALLOWER">SHALLOWER</a> than its <a href="https://interviewquestions.tuteehub.com/tag/real-1178490" style="font-weight:bold;" target="_blank" title="Click to know more about REAL">REAL</a> depth.</p></body></html>

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