Class 11Physics10-1.Thermometry, Thermal Expansion and CalorimetryMix Examples-Thermometry, Thermal Expansion and Calorimetry
MediumThe top of a lake gets frozen at a place where the surrounding air is at a temperature of $-20\,^oC$. Then
- AThe temperature of the layer of water in contact with the lower surface of the ice block will be at $0\,^oC$ and that at the bottom of the lake will be $4\,^oC$
- BThe temperature of water below the lower surface of ice will be $4\,^oC$ right up to the bottom of the lake
- CThe temperature of the water below the lower surface of ice will be $0\,^oC$ right up to the bottom of the lake
- DThe temperature of the layer of water immediately in contact with the lower surface of ice will be about $-20\,^oC$ and that of water at the bottom will be $0\,^oC$
Explore More
Similar Questions
Column $I$ gives some devices and Column $II$ gives some processes on which the functioning of these devices depends. Match the devices in Column $I$ with the processes in Column $II$.
Column $I$ Column $II$ $(A)$ Bimetallic strip $(p)$ Radiation from a hot body $(B)$ Steam engine $(q)$ Energy conversion $(C)$ Incandescent lamp $(r)$ Melting $(D)$ Electric fuse $(s)$ Thermal expansion of solids
| Column $I$ | Column $II$ |
| $(A)$ Bimetallic strip | $(p)$ Radiation from a hot body |
| $(B)$ Steam engine | $(q)$ Energy conversion |
| $(C)$ Incandescent lamp | $(r)$ Melting |
| $(D)$ Electric fuse | $(s)$ Thermal expansion of solids |
$250\,g$ of water and an equal volume of alcohol of mass $200\,g$ are placed successively in the same calorimeter and cool from $60^{\circ}C$ to $55^{\circ}C$ in $130\,s$ and $67\,s$ respectively. If the water equivalent of the calorimeter is $10\,g$,then the specific heat of alcohol in $\text{cal/g}^{\circ}C$ is:
Medium
View SolutionHow many $J$ of heat energy is required to convert $1\,g$ of ice at $-10^{\circ}C$ into steam at $100^{\circ}C$?
Medium
View Solution$5 \, g$ of ice at $0^{\circ}C$ is mixed with $5 \, g$ of steam at $100^{\circ}C$. The final temperature of the mixture is ... $^{\circ}C$.
Difficult
View SolutionIt is known that wax contracts on solidification. If molten wax is taken in a large vessel and it is allowed to cool slowly,then
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo