A liquid rises to a height of 1.8 cm in a glass capillary A another glass capillary B having diameter 90% of capillary A is immersed in the same liqui

Question

A liquid rises to a height of 1.8 cm in a glass capillary A another glass capillary B having diameter 90% of capillary A is immersed in the same liqui

A liquid rises to a height of 1.8 cm in a glass capillary A another glass capillary B having diameter 90% of capillary A is immersed in the same liquid the rise of liquid in capillary B is
A. 1.4 cm
B. 1.8 cm
C. 2.0 cm
D. 2.2 cm

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a
Height of liquid in a capillary tube , `h =(2S cos theta)/(rpg)`
where S= surface tension
p = density of the liquid r= radius of ht capillary tube
or `(1.8 cm)=h_(B)xx9/10`
or `h_(B)=10/9xx1.8 cm =2cm`

7 views Answered 2023-02-05 15:29