A plane electromagnetic wave in a non-magnetic dielectric medium is given by vecE = vecE_(0)(4 xx 10^(-7) x - 50 t) with distance being in meter and time in seconds. The dielectric constant of the medium is :
What value will come in place of question mark (?) in the questions given below? 0.8 xx 6.42 -: 0.16 xx 7.4 = ?
A photon of wavelenght is 4.0 xx 10^(-7) m strikes on a mnetal surfce , the work function of metal being 3. 4xx 10^(-19) J . Select the correct statyements :
Match the problems with the answers. (a) 128 xx 47 (b) 1.28 xx 4.7 (c) 12.8 xx 0.47 (d) 0.128 xx 4.7 (e) 6.016 (f) 6016 (g) 0.6016
