MCQ
Water rises to a height of $2\, cm$ in a capillary tube. If the tube is tilted $60^o$ from the  vertical, water will rise in the tube to a length ...... $cm$
  • $4$
  • B
    $2$
  • C
    $1$
  • D
    water will not rise at all

Answer

Correct option: A.
$4$
a
$\cos 60^{\circ}=2$ or $1=2 \times 2 \mathrm{cm}=4 \mathrm{cm}$

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