1.

A glass bulb is coninected to an open limb manometer. The level of mercury in both limbs of the manometer was same. The bulb was heated to 57^(@)C. If the room temperature and the atmospheric pressure were 27^(@)C and 750 mm, the difference of levels in the two limbs now will be:

Answer»

2.5 cm
5.0 cm
7.5 cm
10.0 cm

Answer :C


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