Embibe Experts Solutions for Chapter: Properties of Matter, Exercise 1: VITEEE 2017

$A$ and $B$ are two wires. The radius of $A$ is twice that of $B$. They are stretched by the same load. Then the stress on $B$ is

The Young's modulus of a perfectly rigid body is

The value of $\tan \theta$ in the graph gives

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

A liquid is allowed to flow into a tube of truncated cone shape. Identify the correct statement from the following.

For small areas of the orifice, the velocity of efflux of a liquid through an orifice in the bottom of the tank depend upon, 

Kerosene oil rises up in a wick of a lantern because of

A rain drop of radius $0.3 \mathrm{mm}$ has a terminal velocity in air of $1 \mathrm{m} {\mathrm{s}}^{-1}$. The viscosity of air is $8\times {10}^{-5}$ poise. The viscous force on it is