MCQOPTIONS
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| 1. |
Two parallel glass plates are dipped partly in the liquid of density 'd' keeping them vertical. If the distance between the plates is 'x', surface tension for liquids is T and angle of contact is \[\theta \], then rise of liquid between the plates due to capillary will be [NCERT 1981] |
| A. | \[\frac{T\cos \theta }{xd}\] |
| B. | \[\frac{2T\cos \theta }{xdg}\] |
| C. | \[\frac{2T}{xdg\cos \theta }\] |
| D. | \[\frac{T\cos \theta }{xdg}\] |
| Answer» C. \[\frac{2T}{xdg\cos \theta }\] | |