Physics · 2024
NEET 2024 · 5 May · Code T1 · Q31
A thin flat circular disc of radius 4.5 cm is placed gently over the surface of water. If surface tension of water is 0.07 Nm^-1, then the excess…
A thin flat circular disc of radius $\displaystyle 4.5$ cm is placed gently over the surface of water. If surface tension of water is $\displaystyle 0.07 \mathrm{Nm}^{-1}$, then the excess force required to take it away from the surface is :
Official answer
From NTA’s final answer key for this paper.
(3)
19.$\displaystyle 8$ mN
More from Mechanical Properties of Fluids
- Consider a water tank shown in the figure. It has one wall at x=L and can be taken to be very wide in the z…2025
- A submarine is designed to withstand an absolute pressure of 100 atm. How deep can it go below the water…2026
- A balloon is made of a material of surface tension S and its inflation outlet (from where gas is filled in…2025
- Water flows in a streamline motion through a horizontal pipe of circular cross-section as shown in the…2026
- In the measurement of viscosity of liquids using terminal velocity experiment, spherical balls of same radius…2026
NEET (UG) 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.