Question

Water rises upto a height h in a capillary on the surface of earth in stationary condition. Value of h increases if this tube is taken

• A. On sun
• B. On poles
• C. In a lift going upward with acceleration
• D. In a lift going downward with acceleration

Answer 1

Answer: (D)

In a lift going downward with acceleration

Answer 2

$h \propto \frac{1}{g}$. In a lift going downward with acceleration (1), the effective acceleration decreases. So h increases.