a photo cell is illuminated by a small bright source placed1m away , d number of electrons emmited by photocathode wud
1answer given is increasesby a factor of 4
a nucleus dis integrated into 2 parts which have der velocities in d ratio 2:1 d ratio of der nuclear sizes will be{a)2^1/3:1B)1:3^1/2
c)3^1/2:1D) 1:2^1/3]
A gaseous mixture consists of 16g of helium & 16g of oxygen . d ratio of Cp/cvof d mixture is
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62To be true i did not understand this question :(
a photo cell is illuminated by a small bright source placed1m away , d number of electrons emmited by photocathode wud
1accordin 2 meh d q is in complete n it shud b
a photo cell is illuminated by a small bright source placed1m away , d number of electrons emmited by photocathode wud say increase or decrease if d distnce betwn d photocell n d photo cathode is reduced to half d initial
so as d intensity inversely proportional to d square of the ditcne
u get d asnwr
(kya din aagaye hai...........answer se q banta hai :P)
