CBSE Class 11-science Answered
1)Why 2 thin blankets are warmer than a single blanket of double thickness?
2)what do you mean by degree of freedom of a gas ?
3)stainless steel cooking pans are preferred with extra copper bottoms? why?
4)wooden sleepers are provided below rails while laying railway lines .Why?
5)sand is thrown on tracks coversd with snow on hilly area? Why?
Asked by Karthik | 05 Mar, 2013, 12:12: PM
1. as air is trapped in between the layers so it will not allow heat to escape from the body.
2.degree of freedom of gases means the number of independent coordinates required to describe the motion and position of the molecules of that particular gas.
3. as heat conductivity of copper is very high.
Answered by | 05 Mar, 2013, 03:50: PM
Concept Videos
CBSE 11-science - Physics
Asked by ankitvariya1000 | 29 Mar, 2022, 11:19: AM
CBSE 11-science - Physics
Asked by jatinsahu37 | 27 Mar, 2022, 04:45: PM
CBSE 11-science - Physics
Asked by parineetsandhu3232 | 11 Mar, 2022, 05:49: PM
CBSE 11-science - Physics
Asked by arjunsah797 | 01 Mar, 2022, 03:01: PM
CBSE 11-science - Physics
Asked by sanjanapujar80 | 12 Jun, 2021, 10:29: AM
CBSE 11-science - Physics
Asked by akpdbbhhs | 14 May, 2021, 12:51: PM
CBSE 11-science - Physics
Asked by vikranthpoluparthi1 | 04 May, 2021, 12:30: PM
CBSE 11-science - Physics
Asked by shubhamgoyal1722 | 15 Dec, 2020, 11:18: AM
CBSE 11-science - Physics
Asked by danushdanu7093 | 30 Aug, 2020, 03:13: PM
CBSE 11-science - Physics
Asked by Venkeylkm | 16 Jul, 2020, 04:12: PM