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# in a particular rv tube,a beam of electrons is emitted.the beam current is 80 pa.how many electrons strike across the screen of tv every second?also find the total charge striking the screen in per minute

Asked by dakmayank17 9th September 2015, 6:30 PM

Answered by Expert 9th September 2015, 6:43 PM

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## A cylinder of radius R is filled with water upto a height H , so that the thrust on the walls is equal to that on the bottom. The relation between H and R is ?

Asked by dipanshusingla029 24th March 2018, 1:21 PM

## A cube of edge length 'a' and density 'd' floats in a liquid of density 'D'. The maximum extra mass it can support without submerging is. ?

Asked by dipanshusingla029 24th March 2018, 1:19 PM

## From a point 36 m above the lake, the angle of elevation of a bird is observed to be 30 and the angle of depression of its image in water of the lake is observed to be 60. Find the actual height of the bird above the surface of the lake

Asked by Suneel 24th March 2018, 11:28 AM