Questions

# In an experiment to find the coefficient of real expansion of Hg, 70cm coloumn of Hg at ${0}^{0}C$  is found to balance 71.26c, coloumn of Hg at  ${100}^{0}C$. ${\gamma }_{R}$ of mercury is  $n×{10}^{-6}{/}^{0}C$ where n=

## Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
a
180
b
0.18
c
1.8
d
0.018
NEW

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is A

coefficient of real expansion of liquid is γR=h2−h1h1Δt h2=71.26cm,h1=70cm are heights of liquid in manometer; Δt=100 is change in temperature γR=71.26−7070×100 γR=1.2670×100=0.18×10−3 γR=180×10−6 ∴n=180

Similar Questions

A glass vessel is partially filled with mercury and when both are heated together, the volume of the unfilled part of vessel remains constant at all temperature. Find the initial volume (in cm3) of mercury if the empty part measures 34 cm3 ${\mathrm{\gamma }}_{\mathrm{Hg}}=18×{10}^{-5}{/}^{\circ }\mathrm{C}]$

Get your all doubts cleared from
Sri Chaitanya experts

+91