Home
Class 12
PHYSICS
The temperature of a body is increased b...

The temperature of a body is increased by `50%`. The amount of radiation emitted by it would be nearly

A

increase by 400%

B

decrease by 400%

C

increase by 50%

D

decrease by 50%

Text Solution

Verified by Experts

The correct Answer is:
A
Percentage increase `=(E_2 -E_1)/(E_1) xx 100`
BY stefan.s law `(E_2)/(E_1) =((T_2)/(T_1))^4`
subtract 1 from each side
`((E_2)/(E_1)-1) = ((T_2)/(T_1))^4 -1 therefore (E_2 - E_1)/(E_1) = (T_(2)^(4) - T_(1)^(4))/(T_(1)^(4))`
` therefore ` percentage increase `= (T_(2)^(4) - T_(1)^(4))/( T_(1)^(4))xx 100`
`= ((150 )^4 - (100)^4)/((100)^4 )xx 100 = 400 % `
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMAL PHYSICS

    MTG-WBJEE|Exercise WB JEE WORKOUT ( CATEGORY 2: ONE OR MORE THAN ONE OPTION CORRECT TYPE)|11 Videos

  • HEAT AND THERMAL PHYSICS

    MTG-WBJEE|Exercise WB JEE PREVIOUS YEARS QUESTIONS|15 Videos

  • HEAT AND THERMAL PHYSICS

    MTG-WBJEE|Exercise WB JEE PREVIOUS YEARS QUESTIONS|15 Videos

  • GRAVITATION

    MTG-WBJEE|Exercise WB JEE Previous Years Questions (CATEGORY 1: Single Option Correct Type|7 Videos

  • KINEMATICS

    MTG-WBJEE|Exercise WB JEE Previous Years Questions (CATEGORY 3 : One or More than One Option Correct Type (2 Marks) )|1 Videos

Similar Questions

Explore conceptually related problems

The temperature of a black body is increased by "50%" .The amount of radiation emitted by the body increases by

If the temperature of a hot-black body is increased by 10%, the heat energy radiated by it would increase by

A black body emits radiations of maximum intensity at a wavelength of 5000 A, when the temperature of the body is 1227° C. If the temperature of the body is increased by 2227 °C, the maximum intensity of emitted radiation would be observed at

A black body emits radiations of maximum intensity at a wavelength of Å 5000 , when the temperature of the body is 1227^(@)C . If the temperature of the body is increased by 1000^(@)C , the maximum intensity of emitted radiation would be observed at

If the temperature of hot black body is raised by 5%, rate of heat energy radiated would be increased by how much percentage ?

A body emits Q cal/ cm^(2) of radiation at temperature 227^(@)C . If the temperature of the body is raised to 727^(@)C , then the amount of radiant enegy emitted will be

If the temperature of a hot body is increased by 50% , then the increase in the quantity of emitted heat radiation will be

If the temperature of the body is increased by 10%, the percentage increase in the emitted radiation will be

The temperature of a black body is increased by 50% , then the percentage of increases of radiation is approximetaly