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While measuring surface tension of water...

While measuring surface tension of water using capillary rise method the necessary precaution to be taken is//are

A

capillary tube should be clean while water should have some grease

B

both capillary tube and water should be clean

C

no need to take care of temperature of water

D

All of the above

Text Solution

Verified by Experts

The correct Answer is:
B
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