How is the barometric height of a simple barometer affected if

(a) its tube is pushed down into the trough of mercury?
(b) its tube is slightly tilted from vertical?
(c) a drop of liquid is inserted inside the tube?

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Solution

(a) The barometric height remains unaffected.

(b) The barometric height remains unaffected.

(c) The barometric height decreases.

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How is the barometric height of a simple barometer affected if (a) its tube is pushed down into the trough of mercury? (b) its tube is slightly tilted from vertical? (c) a drop of liquid is inserted inside the tube?

(a) The barometric height remains unaffected. (b) The barometric height remains unaffected. (c) The barometric height decreases.

How is the barometric height of a simple barometer affected if

(a) its tube is pushed down into the trough of mercury?
(b) its tube is slightly tilted from vertical?
(c) a drop of liquid is inserted inside the tube?

(a) The barometric height remains unaffected.

(b) The barometric height remains unaffected.

(c) The barometric height decreases.