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Standard VII
Physics
Laboratory Thermometer
Mercury is an...
Question
Mercury is ______ and ______ making it easier to read a simple barometer.
A
opaque, shiny
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B
opaque, dark
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C
transparent, shiny
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D
transparent, dark
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Solution
The correct option is
A
opaque, shiny
Mercury is opaque and shiny and hence reading a simple barometer gets easy.
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Similar questions
Q.
To construct a barometer, a tube of length
1
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filled completely with mercury and is inverted in a mercury cup. The barometer reading on a particular day is
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m
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and then closed by a cork. It is inverted in a mercury column in the tube over the surface in the cup will be
Q.
The space above the mercury in a simple barometer is called
Q.
The empty space above mercury in a simple barometer is called _______vaccum
Q.
To construct a barometer, a tube of length 1 m is filled completely with mercury and is inverted in a mercury cup. The barometer reading on a particular day is 76 cm. Suppose a 1 m tube is filled with mercury up to 76 cm and then closed by a cork. It is inverted in a mercury cup and the cork is removed. The height of mercury column in the tube over the surface in the cup will be
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Q.
Explain how is the height of mercury column in tube of a simple barometer is a measure of the atmospheric pressure.
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