1.

There is some water in a beaker placed on the pan of spring balance. If we dip our finger in this water without touching the bottom of the beaker, then what would be the effect on the reading of the balance.

Answer»

Solution :The water exert upthrust on the FINGER and the finger will exert EQUAL reationary force on the water in downward DIRECTION (on the BOTTOM of beaker). So, the reading will INCREASE.


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