Umme Asked a Question
August 12, 2020 6:47 pmpts 30 pts
Q.33. A light source emitting three wave length 5000 A, 6000 A and 7000 A has a total power 2 x 10w and a beam diameter 2x 10*m. The power density is distributed equally amongst the three wave length. The beam incident normally on a metallic súrface of area 10-*m and having a work function of 2.0eV. Find the charge emitted per unit area is one second.
  • 1 Answer(s)
  • Shares
  • Mahak thankyou
    see attached
    • cropped4129203081070404879.jpg
    • cropped3312004348535909246.jpg
    Likes(0) Reply(0)
  • Chandra dhawan
    see this example
    • cropped7454250418291820164.jpg
    • cropped4175939837005411596.jpg
    • cropped7284948288408355846.jpg
    Likes(1) Reply(1)
    Chandra dhawan
  • Vaishnavi rajora
    see attached
    • cropped4930434075872955742.jpg
    • cropped6262910743947436667.jpg
    • cropped7687200656235757537.jpg
    Likes(1) Reply(1)
    Vaishnavi rajora
    not exact but it will help u