When one end of the capillary is dippe...

When one end of the capillary is dipped in water, the height of water column is `'h'`. The upward force of 105 dyne due to surface tension is balanced by the force due to the weight of water column . The inner circumference of the capillary is
(Surface tension of water `= 7 xx 10^(-2) N//m`)

1.5 cm

2 cm

2.5 cm

3 cm

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When one end of the capillary is dipped in water, the height of water column is `'h'`. The upward force of 105 dyne due to surface tension is balanced by the force due to the weight of water column . The inner circumference of the capillary is (Surface tension of water `= 7 xx 10^(-2) N//m`)

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When one end of the capillary is dipped in water, the height of water column is `'h'`. The upward force of 105 dyne due to surface tension is balanced by the force due to the weight of water column . The inner circumference of the capillary is
(Surface tension of water `= 7 xx 10^(-2) N//m`)