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प्रश्न
A capillary tube when immersed vertically in a liquid records a rise of 8 cm. If the tube is immersed inclined 60° with the vertical, then length of liquid column along the tube will be ____________.
विकल्प
`2 sqrt3 "cm"`
16 m
`2/sqrt3 "cm"`
12 cm
MCQ
रिक्त स्थान भरें
उत्तर
A capillary tube when immersed vertically in a liquid records a rise of 8 cm. If the tube is immersed inclined 60° with the vertical, then length of liquid column along the tube will be 16 m.
Explanation:
`l = "h"/("sin"(90 - theta))`
`= "h"/("sin" 30°) = 8/(1//2)`
` = 16 "cm"`
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