Two spheres of same material have radius...

Two spheres of same material have radius 1 m and 4 m and temperature 4000 K and 2000 K respectively. The energy radiated per second by the first sphere is

A

greater than that by the second

B

less that that by the second

C

equal in both cases

D

the information is incomplete to draw any conclusion

Text Solution

Verified by Experts

Topper's Solved these Questions

Thermal Properties of Matter
SL ARORA|Exercise Exercise|449 Videos
System of particles & rotational Motion
SL ARORA|Exercise EXERCISE|353 Videos
THERMODYNAMICS
SL ARORA|Exercise Exercise|342 Videos

Similar Questions

Explore conceptually related problems

Two spheres of the same material have radii 1m and 4m and temperatures 4000K and 2000K respectively. The energy radiated per second by the first sphere is greater than that by the second.

Two spheres of the same material have radii 1m and 4m and temperature 4000Kand 2000K respectively.The energy radiated per second by the first sphere is:

Two spheres of the same materical have radii 1m and 4m nad temperature 4000K and 2000K respectively The energy radiated per second by the first sphere is .

Two spheres of the same material have radii 1m and 4m and temperatures 4000K and 2000K respectively. The ratio of the energy radiated per second by the first sphere to that by the second is

Two spheres of the same materical have radii 1m and 4m and temperature 400K and 2000K respectively The ratio of the energy radiated per second by the first sphere to that by the second is .

Two spheres of the same material have radii 1m and 4m and temperatures 4000K,respectively. The ratio of the energy radiated per second by the first sphere to that by the second is

Two spheres of same material have radii 1m and 2m are at temperature of 2000K and 1000K respectively.The ratio of energy radiated in unit time is

Two spherre of the same material and radii 4 m and 1m respectively are at temperature 1000 K and 2000 K respectively. The ratio of energies radiated by them per second is

Two spheres of the same material having radii r and 4r and temperature 2T_(0) and T_(0) respectively. The ratio of rate of radiation of energy by the sphere is

SL ARORA-Thermal Properties of Matter-Exercise

A spherical black body with a radius of 12 cm radiates 450 W power at ...
Text Solution
|
The earth receives at its surface radiation from the sun at the rate o...
Text Solution
|
Two spheres of same material have radius 1 m and 4 m and temperature 4...
Text Solution
|
Variation of radiant energy emitted by sun, filament of tungsten lamp ...
Text Solution
|
The intensity of radiation emitted by the sun has its maximum value at...
Text Solution
|
A sphere, a cube and a thin circular plate all made of the same materi...
Text Solution
|
Three discs, A, B and C having radii 2m, 4m and6m respectively are coa...
Text Solution
|
Three very large plates of same area are kept parallel and close to ea...
Text Solution
|
Parallel rays of light of intensity I=912 WM^-2 are incident on a sphe...
Text Solution
|
A black body of temperature T is inside chamber of T0 temperature init...
Text Solution
|
A human body has a surface area of approximately 1 m^2. The normal bod...
Text Solution
|
Heat given to a body which raises its temperature by 1^@C is
Text Solution
|
An experiment takes 10 minutes to raise the temperature of water in a ...
Text Solution
|
Three rods of Copper, Brass and Steel are welded together to from a Y ...
Text Solution
|
A flat bottomed metal tank filled with water is dragged along a horizo...
Text Solution
|
According to Newton's law of cooling, the rate of cooling of a body is...
Text Solution
|
If a piece of metal is heated to temperature theta and the allowed to ...
Text Solution
|
A liquid in a beaker has temperature theta(t) at time t and theta0 is ...
Text Solution
|
A pressure cooker reduces cooking time because
Text Solution
|
Which of the following is more close to a black body?
Text Solution
|