The lengths of air column is quill tube are 33 cm and 43 cm. When open end of the
tube is vertically upwards and downwards. If the length of the Hg column is 10cm
then atmospheric pressure is
1) 32 cm Hg
2) 76 cm Hg 3) 52 cm Hg 4) 10 cm Hg​
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u chod him now ok hhb. HH. hhb.
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