Q The lower end of a capillary tube is dipped in water Water rises upto height 10 cm - Physics - Moving Charges And Magnetism

Question

Q The lower end of a capillary tube is dipped in water Water rises
upto height 10 cm The tube is broken upto 8 cm Then new angle of
contact will be
(1) 53 °
(2) 37 °
(3) 30 °
(4) 0 °

Vipra Mishra · Accepted Answer

Dear Student

h =2TcosθρrgAs radius and content of tube is same so T, r, g, ρ is constantThereforehcosθ= constanth1h2=cosθ1cosθ2108=cos0cosθ2cosθ2=810=0
8θ2=36 86 =37o
Regards

Q. The lower end of a capillary tube is dipped in water. Water rises upto height 10 cm. The tube is broken upto 8 cm. Then new angle of contact will be (1) 53 ° (2) 37 ° (3) 30 ° (4) 0 °

Q. The lower end of a capillary tube is dipped in water. Water rises upto height 10 cm. The tube is broken upto 8 cm. Then new angle of contact will be
(1) 53 $°$
(2) 37 $°$
(3) 30 $°$
(4) 0 $°$