# 5.  Assuming the density of air to be 1.295 kg m-3 , find the fall in barometric height in mm of Hg at a height of 107 m above the sea level.  Take density of mercury = 13.6 $×$ 103 kg m-3 .                                                                                                                         (Answer:- 10 mm of Hg)

Fall in height is
=(Dair*above sea level)/Hg
​=(1.295*107)/13600
~0.01m
=10 mm

• 13
10 mm
• -7
10mm
• -4
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