In free space, Fortin's barometer will read:

0 m m

of Hg

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76 c m

of Hg

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1 c m

of Hg

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None of these

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Solution

The correct option is A $0 m m$ of Hg
Fortin's barometer is a modified form of Torricelli's barometer which is used to measure atmospheric pressure. In free space there is no matter (no atmosphere) therefore no atmospheric pressure hence barometer will read 0mm of Hg .

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In free space, Fortin's barometer will read:

The correct option is A 0 mm of HgFortin's barometer is a modified form of Torricelli's barometer which is used to measure atmospheric pressure. In free space there is no matter (no atmosphere) therefore no atmospheric pressure hence barometer will read 0mm of Hg .

The correct option is A $0 m m$ of Hg
Fortin's barometer is a modified form of Torricelli's barometer which is used to measure atmospheric pressure. In free space there is no matter (no atmosphere) therefore no atmospheric pressure hence barometer will read 0mm of Hg .