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Chlorine is lower in the series of Relative ease of Discharge at the anode than Iodine because a) Chlorine has complete octet in ionized state b) Chlorine, being electronegative has high electron affinity c) Chlorine is small ...

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A motorboat going downstream overcame a raft At a point A ; Ï„=60min later it turned back and after sometime passed the raft at a distance l=6.0km from the point A . Find the flow velocity assuming the duty of the engine to b ...

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*Image* a)For the first part the expected value would be = E(x)=\frac{1}{2}+2\left(\frac{1}{2}\right)^2+3\left(\frac{1}{2}\right)^3+\cdots=2 b)For the second part the expected value would be = E(x)=\frac{1}{2}+\frac{2}{4}+\fr ...

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A body of mass 200 grams is in equilibrium At x equal to zero under the influence of a force f(x) =( -100x+10x2 )N. ( A)If is the body is displaced a small distance from equillibrium what is the period of its association? (B) ...

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The solution set of frac{{{x^2} - 3x + 4}}{{x + 1}} > 1,,x in R , is a) (3,,, + infty ) b) ( - 1,,,1) cup (3,,, + infty ) c) [ - 1,,,1] cup [3,,, + infty ) d) None of these ...

tan-1(2x+1/(1-4x)) ...

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find dy/dx if- y=sin2(cot-1(√(1+x)/√(1-x)) ...

tan-1((√(1+x)-√(1-x))/(√(1+x)+√(1-x))) ...

If a,b,c are in H.P.. prove that : sin2 A/2 ,sin2 B/2 and sin2 C/2 ARE ALSO IN h.p. ...

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*Image* The question above the graph wala question.... ...

A particle performs shm in straight line. Starting from rest in the 1st second it covers p distance and in 2nd second it cover q from p distance. Find amplitude of oscillation in terms p and q only ...

Radium(Atomic no. 87 and mass no.221) is a radioactive substance having half life of 4 days.Find the probability that a nucleus undergoes decay after two half lives. A.1 B.1/2 C.3/4 D.1/4 ...

*Image* Helium gas undergoes 2 isochoric and isobaric processes...efficiency of the cycle???? I am not understanding the solution.... *Image* ...

An increase in temperature by {10^0},C , generally increases the rate of al reaction by a) 2 times b) 10 times c) 9 times d) 100 times ...

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The Hybridisation of Carbon atoms in C-C single bond of HC≡C-CH≡CH2 is a)sp3-sp3 b)sp2-sp3 c)sp-sp2 d)sp3-sp ...

If sin A,sin B,sin C are in A.P. prove that the altitudes are in H.P . ...

If ω be the angle which a focal chord of a parabola makes with the axis, prove that the length of the chord is 4acosec2ω ...

A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R. It makes small oscillations about the lowest point. Find the time period. ...