A capillary tube of radius 0.1 mm is partly dipped in water (surface tension 70 {\dyn} \/ {\cm} and glass water contact angle \approx 0^{\circ} ) with 30^{\circ} inclined with the vertical. The length of water risen in the capillary is \_\_\_\_ cm. (Take g=9.8 {\m} \/ { s}^2 ) [7 Apr 2025 Shift 2]

JEE Main 7 Apr 2025 Shift 2 Paper

Section: Physics

Question : 36 of 75

Marks: +1, -0

A capillary tube of radius 0.1 mm is partly dipped in water (surface tension 70‌dyn∕cm and glass water contact angle ≈0∘ ) with 30∘ inclined with the vertical. The length of water risen in the capillary is ____ cm. (Take g=9.8m∕ s2 )

[7 Apr 2025 Shift 2]

‌
82
5
‌
68
5
‌
71
5
‌
57
2

Validate

Go to Question:

Prev Question

Next Question