Question:
A rain drop of radius 0.3 mm has a terminal velocity in air 1 ms-1. The viscosity of air is \(18×10^{-5}\) poise. Find the viscous force on the rain drops.
A rain drop of radius 0.3 mm has a terminal velocity in air 1 ms-1. The viscosity of air is \(18×10^{-5}\) poise. Find the viscous force on the rain drops.
Updated On: Jun 25, 2024
- \(2.05 \times 10^{-7}\ N\)
- \(1.018 \times 10^{-7}\ N\)
- \(1.05 \times 10^{-7}\ N\)
- \(2.058 \times 10^{-7}\ N\)
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The correct option is (B): \(1.018 \times 10^{-7}\ N\).
Was this answer helpful?
0
0
Top Questions on Relative Velocity
- A solid sphere of mass $1 \,kg$ rolls without slipping on a plane surface Its kinetic energy is $7 \times 10^{-3} J$. The speed of the centre of mass of the sphere is ___$cm s ^{-1}$.
- JEE Main - 2023
- Physics
- Relative Velocity
- A fish rising vertically upward with a uniform velocity of 8 ms-1, observes that a bird is diving vertically downward towards the fish with the velocity of 12 ms-1. If the refractive index of water is \(\frac{4}{3}\) , then the actual velocity of the diving bird to pick the fish, will be _______ ms-1
- JEE Main - 2023
- Physics
- Relative Velocity
A particle of mass 𝑚 is moving in the xy-plane such that its velocity at a point (x, y) is given as \(\overrightarrow{v}=a(y\^{x}+2x\^{y})\) where 𝛼 is a non-zero constant. What is the force F acting on the particle?
- JEE Advanced - 2023
- Physics
- Relative Velocity
- A uniform metallic wire carries a current $2 A$, when $34 V$ battery is connected across it The mass of uniform metallic wire is $892 \times 10^{-3} kg$, density is $892 \times 10^3 kg / m ^3$ and resistivity is $17 \times 10^{-8} \Omega- m$ The length of wire is :
- JEE Main - 2023
- Physics
- Relative Velocity
- A particle moves along x-axis following the relation x = 4(t-2)+a(1-2)², where x is the distance travelled in time t. In that case, which of the following statement(s) is/are true?
- WBJEE JENPAS UG - 2023
- Physics
- Relative Velocity
View More Questions
Questions Asked in JIPMER MBBS exam
- If same charge q is placed inside a sphere and cube having radius 1m and side 2m respectively. What will be the ratio of flux passing through them ?
- JIPMER MBBS - 2019
- Electric Flux
- \(BrO^{3-}\) Changes into \(Br_2\) in an acidic medium of a unbalanced equation how many electron should be present on the balanced electron.
- JIPMER MBBS - 2019
- Balancing a redox reaction
- If resistivity of copper is \(1.72×10^{-8} \Omega-m\) and number of free electron in copper is \(8.5×10^{28} / m^3\). Find mobility
- JIPMER MBBS - 2019
- Resistance and Resistivity
- If equilibrium constant is 2.6×108 then find the value of ΔG°.
- JIPMER MBBS - 2019
- Thermodynamics
- Level of LH is maximum :
- JIPMER MBBS - 2019
- Hormones
View More Questions