When the barometer reading dips suddenly, it is an indication of –
(1) Hot weather
(2) Calm weather
(3) Storm
(4) Dry weather
When the barometer reading dips suddenly, it is an indication of –
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Correct Answer- (3) Storm
Explanation: Sudden and great fluctuations of the barometer at any time of the year indicate unsettled weather for several days, perhaps a fortnight. If the barometer falls two or three- tenths of an inch in four hours, one can expect a gale of wind. If the surface of the mercury in the cistem of the barometer vibrates upon the approach of a storm, the gale can be expected to be severe.