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प्रश्न
A capillary tube when immersed vertically in a liquid records a rise of 6 cm. If the tube is immersed in the liquid at an angle of 60° with the vertical, then length of the liquid column along the tube will be ______.
पर्याय
12 cm
3 cm
6 cm
9 cm
MCQ
रिकाम्या जागा भरा
उत्तर
A capillary tube when immersed vertically in a liquid records a rise of 6 cm. If the tube is immersed in the liquid at an angle of 60° with the vertical, then length of the liquid column along the tube will be 12 cm.
Explanation:
`l = "h"/ ("sin" theta) = 6/("sin" 30^circ) = 6/((1/2))`
= 12 cm
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