The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer?

Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity

Open App

GATE Exam > GATE Questions > The total power emitted by a spherical black ...

Join the Discussion on the App

The total power emitted by a spherical black body of radius R at a temperature T is P₁. Let P₂ be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio

is_________ .

Correct answer is '4'. Can you explain this answer?

FREE This question is part of

GATE Physics Mock Test Series - 4

Attempt Test

Attempt this Test

Verified Answer

The total power emitted by a spherical black body of radius R at a tem...

We know that
For a spherical black body

View all questions of this test

View all answers Start learning for free

< Previous Question Next Question >

Explore Courses for GATE exam

Similar GATE Doubts

A hole of area 1 cm2 is opened on the surface of a large spherical cavity whose inside temperature is maintained at 727 °C. The value of Stefan-Boltzmann constant is 5.67×10-8 W/m2-K4. Assuming black body radiation, the rate at which the energy is emitted (in W) by the cavity through the hole, up to 3 digitsafter the decimal point, is __________Important : you should answer only the numeric value Correct answer is '5.67'. Can you explain this answer?

View answer

A spherical conductor of radius r1 has surface charge density σ. There is an another sphere of radius r2 (r2 > r1) and this sphere is grounded by connecting with the batteryof 5 volt. The potential difference between the points lies on the surface of sphere having radius r1 and outer surface of the sphere of radius r2 is

View answer

A spherical conductor of radius r1 has surface charge density σ. There is an another sphere of radius r2 (r2 > r1) and this sphere is grounded by connecting with the batteryof 5 volt. The potential difference between the points lies on the surface of sphere having radius r1 and outer surface of the sphere of radius r2 is

View answer

A spherical body of diameter 750mm of initial temperature 25is immersed in the fluid at temperature 400. Thermo physical properties of the body are k=22W/m-K, c=400 J/kg and ρ=9000kg/m3(Regular notations use d). Determine the time (in seconds) when the temperature will become 390, given the convective heat transfer coefficient between body and fluid is 300W/m2. Correct answer is between '542,545'. Can you explain this answer?

View answer

The spherical surface of a piano convex lens of radius of curvature R = 1 m is gently placed on aflat plate. The space between then is filled with a transparent liquid of refractive index 1.57. The refrective indices of the lens and the flat plate are 1.52 and 1.62 respectively. The radius of the sixteenth dark newton’s ring in the reflected light of wave length λis found to be √5mm. Determine the wavelength λof the light_______ (in ). Correct answer is '5064'. Can you explain this answer?

View answer

The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer?

Share with a Friend

Answer this doubt

Question Description
The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer?.

Solutions for The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? in English & in Hindi are available as part of our courses for GATE. Download more important topics, notes, lectures and mock test series for GATE Exam by signing up for free.

Here you can find the meaning of The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer?, a detailed solution for The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? has been provided alongside types of The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice The total power emitted by a spherical black body of radius R at a temperature T is P1. Let P2 be the total power emitted another spherical black body of Radius 2R kept at temperature T/2. The ratio is_________ .Correct answer is '4'. Can you explain this answer? tests, examples and also practice GATE tests.

Explore Courses for GATE exam