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Electrons in various degenarate orbitals of a subshell can be filled by followin arrangements: x!/(x-y)!y! . where x = 2 * no. of orbitals y = no. of electrons Then a p^2 configuration can be written in how many ways? ...
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7)sin x<1/2 ½=sin 30 =sin(180-30)=sin 150 or, sin30<1/2 and sin 150 >1/2(why? And how?) or, x belongs to (0,30) union (150,360) [given: 0<x<360] I want a complete explanation. 8) Give the general soln of x: lo ...
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4)A grasshopper can jump max dist of 1.6m. It spends negligible time on ground. How far can it go in 10(2)^1/2 s? 5) 2 particles A and B are projected simultaneously from the 2 towers of ht. 10m and 20m respectively.A is proj ...
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3) A particle is projected with velocity 2(gh)^1/2 so that it just clears two walls of equal ht. h at a dist. Of 2h from each other. Find time of passing of particle between two walls. ...
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A particle is projected at an angle 60degree with speed 17.32 from the point A.At the same time the wedge is made to move with speed 17.32 towards right .Then the time after which the particle will strike the wedge is ------- ...
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if the eqn ax^2+2bx-3c=0 has non real roots and 3c/4<(a+b),then c is always -------- ...
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if the eqn ax^2+2bx-3c=0 has non real roots and 3c/4<(a+b),then c is always -------- ...
