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A large number of liquid drops each of radius r coalesce to form a single drop of radius R. The energy released in the process is converted into kinetic energy of the big drop so formed. The speed of the big drop is (Surface tension of liquid T, Density ρ)

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Important Questions on Properties of Matter

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VITEEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Properties of Matter>VITEEE 2017>Q 6
Two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop, if T is the surface tension, is
EASY
VITEEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Properties of Matter>VITEEE 2019 Shift 1>Q 7
A liquid is allowed to flow into a tube of truncated cone shape. Identify the correct statement from the following.
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VITEEE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Properties of Matter>VITEEE 2017>Q 8
For small areas of the orifice, the velocity of efflux of a liquid through an orifice in the bottom of the tank depend upon, 
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Properties of Matter>VITEEE 2018 Shift 1>Q 9
The velocity of water in a river is 18 km h-1 near the surface. If the river is 5 m deep, find the shearing stress between the horizontal layers of water. The coefficient of viscosity of water=10-2 poise.
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VITEEE
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Properties of Matter>VITEEE 2017>Q 10
Kerosene oil rises up in a wick of a lantern because of
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Properties of Matter>VITEEE 2019 Shift 1>Q 11
A rain drop of radius 0.3 mm has a terminal velocity in air of 1 m s-1. The viscosity of air is 8×10-5 poise. The viscous force on it is