Flag Thermal Physics> iit-physics...
question mark

two spherical containersof different materials one with double the radius and one fourthwall thickness of the tother are filled with ice.if the time taken for complete melting ice in the larger containeris 25 min and for smaller one is 16min the ratio of thermal conductivities of larger to smaller is

M LAKSHMI PRASAD , 11 Years ago
Grade
anser 1 Answers
Abhishek Kumar

Last Activity: 10 Years ago

Calculate the volume of water in the two container.Now, calculate the mass by multiplying with the density of ice.
Heat needed to melt them = mL (Separate for each, because m is different)
Equate this with HEat transfer across the surface = kA(Temperature difference)time
Find the ratio of K.

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...