>
Exams
>
Physics
>
Electromagnetic waves
>
a sphere and a cube of same material and same volu
Question:
A sphere and a cube of same material and same volume are heated upto same temperature and allowed to cool in the same surroundings. The ratio of the amounts of radiations emittedwill be
JIPMER MBBS - 2019
JIPMER MBBS
Updated On:
Jun 25, 2024
1:1
\(\frac{4\pi}{3}:1\)
\(({\frac{\pi}{6}})^{\frac13}:1\)
\(\frac12({\frac{4\pi}{3}})^{\frac23}:1\)
Hide Solution
Verified By Collegedunia
The Correct Option is
C
Solution and Explanation
The correct option is(C):
\(({\frac{\pi}{6}})^{\frac13}:1\)
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Electromagnetic waves
If the ratio of relative permeability and relative permittivity of a uniform medium is \(1 : 4\). The ratio of the magnitudes of electric field intensity (\(E\)) to the magnetic field intensity (\(H\)) of an EM wave propagating in that medium is:
\[ \text{Given that } \sqrt{\frac{\mu_0}{\epsilon_0}} = 120 \pi : \]
NEET (UG) - 2024
Physics
Electromagnetic waves
View Solution
The electromagnetic radiation which has the smallest wavelength are
NEET (UG) - 2024
Physics
Electromagnetic waves
View Solution
The property which is not of an electromagnetic wave travelling in free space is that :
NEET (UG) - 2024
Physics
Electromagnetic waves
View Solution
Monochromatic light of frequency $6 \times 10^{14}$ Hz is produced by a laser. The power emitted is $2 \times 10^{-3}$ W. How many photons per second on average are emitted by the source.(Given $h = 6.63 \times 10^{-34} \, \text{Js}$)
JEE Main - 2024
Physics
Electromagnetic waves
View Solution
If frequency of electromagnetic wave is 60 MHz and it travels in air along z direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave (in m) is :
JEE Main - 2024
Physics
Electromagnetic waves
View Solution
View More Questions
Questions Asked in JIPMER MBBS exam
If same charge q is placed inside a sphere and cube having radius 1m and side 2m respectively. What will be the ratio of flux passing through them ?
JIPMER MBBS - 2019
Electric Flux
View Solution
\(BrO^{3-}\)
Changes into
\(Br_2\)
in an acidic medium of a unbalanced equation how many electron should be present on the balanced electron.
JIPMER MBBS - 2019
Balancing a redox reaction
View Solution
If resistivity of copper is
\(1.72×10^{-8} \Omega-m\)
and number of free electron in copper is
\(8.5×10^{28} / m^3\)
. Find mobility
JIPMER MBBS - 2019
Resistance and Resistivity
View Solution
If equilibrium constant is 2.6×10
8
then find the value of ΔG°.
JIPMER MBBS - 2019
Thermodynamics
View Solution
Level of LH is maximum :
JIPMER MBBS - 2019
Hormones
View Solution
View More Questions