A black body radiates energy at the rate...

A black body radiates energy at the rate of `1 xx 10 J // s xx m` at temperature of `227 ^(@)C`, The temperature to which it must be heated so that it radiates energy at rate of `1 xx 10 J//sm`, is

A

5000 K

B

5000 C

C

500 K

D

500 C

Text Solution

Verified by Experts

The correct Answer is:

A

Topper's Solved these Questions

TRANSMISSION OF HEAT
ERRORLESS |Exercise Radiation (Newton s Law of Cooling)|37 Videos
TRANSMISSION OF HEAT
ERRORLESS |Exercise Critical Thinking|36 Videos
TRANSMISSION OF HEAT
ERRORLESS |Exercise Radiation (Wein s law)|30 Videos
THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY
ERRORLESS |Exercise Self Evaluation Test|15 Videos
UNITS, DIMENSION & MEASUREMENTS
ERRORLESS |Exercise All Questions|333 Videos

Similar Questions

Explore conceptually related problems

The temperature at which a black body ceases to radiate energy is .

A black body radiates energy at the rate of E W//m at a high temperature TK . When the temperature is reduced to (T)/(2)K , the radiant energy will b

A body radiates energy 5 W at a temperature of 127^(@)C . If the temperature is increased to 927^(@)C , then it radiates energy at the rate of

A black body radiates energy at the rate of EW//m^(2) at a high temperature TK. When the temperature is reduces to half, the radiant energy will be

A black body at 227^(@)C radiates heat at the rate of cal cm^(-2) s^(-1) . At a temperature of 727^(@)C , the rate of heat radiated in the same unit will be

A black body radiates energy at the rate of E "watt"//m^(2) at a high temperature TK when the temperature is reduced to [(T)/(2)]K Then radiant energy is .

A black body at ' 227^@ ' C radiates heat at the rate of ' 10 cal/cm^2s. At a temperature of '727^@' C the rate of heat radiated in same units will be

A body radiates heat at the rate of 5 cal/ m^(2)-s when its temperature is 227^(@)C . The heat radiated by the body when its temperature is 727^(@)C is

ERRORLESS -TRANSMISSION OF HEAT-Radiation (Stefan s law)

Two spheres of same material have radius 1 m and 4 m and temperature 4...
Text Solution
|
The radiation emitted by a star A is 10,000 times that of the sun. If ...
Text Solution
|
A black body radiates at the of W watts at a temperture T. If the temp...
Text Solution
|
Star A has radius r surface temperature T while star B has radius 4 r ...
Text Solution
|
Suppose the sun expands so that its radius becomes 100 times its prese...
Text Solution
|
If the temperature of the sun were to increase form T to 2T and its ra...
Text Solution
|
At 127^(@)C radiates energy is 2.7 xx 10 J//s. At what temperature rad...
Text Solution
|
If the initial temperatures of metallic sphere and disc, of the same m...
Text Solution
|
A black body radiates energy at the rate of 1 xx 10 J // s xx m at tem...
Text Solution
|
The temperature of a body is increased from –73°C to 327°C. Then the r...
Text Solution
|
If the temperature of the body is increased by 10%, the percentage inc...
Text Solution
|
If the sun's surface radiates heat at 6.3 xx 10^(7) Wm^(-2). Calculate...
Text Solution
|
A sphere at temperature 600 K is placed in an enviroment to temperatur...
Text Solution
|
The value of Stefan's constant is
Text Solution
|
The rate of cooling at 600 K, if surrounding temperature is 300 K is R...
Text Solution
|
A blackbody of surface area 10cm^(2) is heated to 127^(@)C and is sus...
Text Solution
|
Two identical objects A and B are at temperature T(A) and T(B) respect...
Text Solution
|
When a body has the same temperature as that of its surroundings
Text Solution
|
The ratio of radiant energies radiated per unit surface area by two bo...
Text Solution
|
The spectral energy distribution of star is maximum at twice temperatu...
Text Solution
|