profile-img
Amrutha t Asked a Question
June 22, 2020 7:45 pmpts 30 pts
what is the difference between pressure of radiation and pressure of diffuse radiation
  • 3 Answer(s)
  • 0 Likes
  • 8 Comments
  • Shares
  • Mahak thankyou
    see attached file
    • cropped7893621164967716070.jpg
    Likes(0) Reply(0)
  • Isha lohan
    https://phys.libretexts.org/Bookshelves/Astronomy_and_Cosmology_TextMaps/Map%3A_Stellar_Atmospheres_(Tatum)/01%3A_Definitions_of_and_Relations_between_Quantities_used_in_Radiation_...
    Show more
    Likes(0) Reply(0)
  • Isha lohan
    In the above formula, you are right that u is same as energy density, P can be equal to U/3 or U/2 or U or 2U, depending upon circumstances, you can refer link attached for detaile...
    Show more
    Likes(0) Reply(0)
  • Chandra dhawan thankyou
    Radiation pressure : When an electromagnetic wave incidents and hits on the surface of the object,it will exert a force at its surface area and the pressure formed due to this is k...
    Show more
    Likes(1) Reply(1)
    Amrutha t
    sir, i actually ask whether u/2=energy density/3 or not. is this energy density and u are not same??
  • Vaishnavi rajora
    i think both should be same ....but let me check once
    Likes(1) Reply(0)
  • Amrutha t
    mam, they given that pressure of diffuse radiation=p=u/2=energy density/3.actually both u and energy dencity are same. then why they given so
    Likes(1) Reply(0)
  • Vaishnavi rajora
    Diffusion pressure : It is a hypothetical term coined by Meyer (1938) to denote the potential ability of the molecules or ions of any substance to diffuse from an area of their hig...
    Show more
    Likes(1) Reply(0)
  • Vaishnavi rajora Best Answer
    Radiation pressure is the mechanical pressure exerted upon any surface due to the exchange of momentum between the object and the electromagnetic field. This includes the momentum ...
    Show more
    Likes(1) Reply(0)