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Sayana S asked a question
Subject: Physics, asked on on 5/2/17
how much is the torque due to gravity on a body about its centre of mass
Hritik Mistry asked a question
Subject: Physics, asked on on 10/11/17
10gm of ice at 0 deg C is kept in a calorimeter of water equivalent 10gm. How much heat should be supplied to boil the water so formed
Aditya Tripathi asked a question
Subject: Physics, asked on on 11/5/17
A black body calorimeter filled with hot water cools from 60 degrees celsius to 50 degrees celsius in 4 min and from 40 degrees celsius in 8 min. The approximate temperature of surrounding is
a) 10 degrees celsius
b) 15 degrees celsius
c) 20 degrees celsius
d) 25 degrees celsius​
Chirag Mudgil asked a question
Subject: Physics, asked on on 14/2/18
two discs of same mass and thickness are made of materials having different densities . which one of them having larger moment of inertia ? explain
Shubhangi Upadhyay asked a question
Subject: Physics, asked on on 14/11/17
Applications of Kirchoff's law.
Sayana S asked a question
Subject: Physics, asked on on 5/2/17
how does surface tention change with temperature?
Muskan Arfeen asked a question
Subject: Physics, asked on on 17/1/17
Second one
Akansha asked a question
Subject: Physics, asked on on 7/11/16

A blackbody of surface area 20 cm2is heated to a temperature of 600 K and is then placed on an insulated stand in a room at temperature 300 K. The initial rate of loss of heat from the body to the room is.....pls give a breif explaination
Monobikash Deb asked a question
Subject: Physics, asked on on 17/10/16
the density of two substances are 2:3 and their specific heats are 0.12 and 0.09 respectively. Compare the thermal capacities per unit volume ?
Arvind asked a question
Subject: Physics, asked on on 13/2/17
Two rigid boxes have ideal gases on a table. Box A has 1 mole of N2 at temperature T not while box B has 1 mole He at temperature (6/5)T not. Gases reach common final temperature when boxes are put in thermal contact with each other(Ignore heat capacities of boxes). What will be final temperature of gases Tf in terms of T not?    [Tf = 43 Tnot/40]
Monobikash Deb asked a question
Subject: Physics, asked on on 17/5/16
a litre of air initially at 327 degree centigrade is first cooled at a temperature at 27 degree centigrade , the volume remaining constant and compressed to its original pressure . Find the final volume of air .
Monobikash Deb asked a question
Subject: Physics, asked on on 20/5/16
The specific heat of water in S.I is 4200 J kg-1k-1 . if a copper vessel of water equivalent 0.1 kg contains 4 kg of water at 30 degree centigrade then find the time required to raise the temperature of this water to the boiling point if 50 J of heat is supplied every second .
Monobikash Deb asked a question
Subject: Physics, asked on on 20/5/16
what will be the resulting temperature if 200 g of water at 90 degree centigrade is mixed with 100 g of a liquid at 25 degree centigrade if its specific heat is 0.75 .
Sayana S asked a question
Subject: Physics, asked on on 5/2/17
elastic limit of a typical rock is 30.10 and its dencity =3 into 10 raise to3 explain height of a mountain cannot exceed 10km?
Devjeet asked a question
Subject: Physics, asked on on 22/1/17
in hc verma vol 2 pg 93 q 12 in solution why a common temerature theta is taken in small vessel, the left must be hotter than right.
Monobikash Deb asked a question
Subject: Physics, asked on on 18/10/16
One liquid has a specific gravity of 0.7 . and another liquid has a density of 0.4 g/cc  The  thermal capacity of 4 litre of the first is the same as that of 3.5 litres of the second . Compare their specific heats.
Monobikash Deb asked a question
Subject: Physics, asked on on 15/5/16
Find the ratio of densities of lead at 100 degree centigrade and -100 degree centigrade , if the average co-efficient of volume expansion of lead is 8.4x10-5 per degree centigrade ?
Monobikash Deb asked a question
Subject: Physics, asked on on 17/5/16
a wieghtthermometer contains 200 g of mercury at 0 degree centigrade is surrounded by a liquid in a bath and 8 g of mercury flows out . what was the temperature of the bath if co-eff of apparent expansion of mercury is 0.00018 ?
Sayana S asked a question
Subject: Physics, asked on on 5/2/17
derive an ex between surface energy and surface tention for a thin rectangular soap film?
Neha Nilesh Patil asked a question
Subject: Physics, asked on on 25/11/19
Liquid A and B are at 30°C and 20°C when mixed in equal masses the temperature of the mixture is found to be 26°C then ratio of there specific heat is:-
Palak asked a question
Subject: Physics, asked on on 23/3/18
If cofficient of linear expansion of mercury with respect to glass is 0.00040/0C and its real expansion is 0.00049/0C then cofficient of linear expansion of glass will be?
Siddhant Kole asked a question
Subject: Physics, asked on on 29/3/19
Please explain the q
Sumanta Chatterjee asked a question
Subject: Physics, asked on on 26/11/17
please solve it

The two equal sized water bodies fall in the air by 0.05 m/s fixed velocity,if there is a water molecule mixed with two bodies, then what is the extreme velocity of the water ?

Answer is 0.0794 m/s 
Dinky Tandon asked a question
Subject: Physics, asked on on 25/1/21
30g ice at 0 deg C is mixed with 25g of steam at 100 deg C. The resulting mixture is: a) water and ice at 0 deg C
b) water at 100 deg C c) water and steam at 100 deg C d) water, ice and steam at 50 deg C
(Latent heat of fusion = 80 cal/g, latent heat of vaporization = 540 cal/g and specific heat of water = 1 cal)...PLEASE SOLVE THIS QUESTION WITH EXPLANATION..
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