The circuit diagram shows a logic combination with thestates of outputs X, Y and Z given for inputs P, Q, Rand Sall at state 1. When inputs P and R change to state O withinputs Q and S still at 1, the states of outputs X, Y and Zchangeto

AZenerdiodeisconnectedtoabatteryandaloadasshowbelow

Thecurrents,I,andI_Larerespectively

ThecorrecttruthtableforsystemoffourNANDgatesasshowninfigureis:

Thefollowingcircuitdiagram represents

 In the above plot of binding energy per nucleon Eb, againstthe nuclear mass M; A, B, C, D, E, F correspond to differentnuclei.Consider fourreactions

(ii)
(iii)
(iv) wheresistheenergyreleased?Inwhichreactionsiss
positive?

If the nuclear force between two protons, two neutrons and between proton and neutron is denoted by ' and respectively, then

Binding energy per nucleon plot against the mass numberfor stable nuclei is shown in the figure. Which curve iscorrect?

If the D. C’s of a line are then c is equal to

For such questions, we should know the properties of direction cosines.

The value of f(0) , so that the function  becomes continuous for all is given by

Let f, g: R  R be two functions defined by and g(x) = x f(x)
Statement 1: f is a continuous function at x = 0
Statement 2: g is a differentiable function at x = 0

lf x2 and A and 8 are respecively the maximum and the minimum values of , then (A, B) is equal to

Binding energy pernucleonversus mass number curve for nuclei is shown in the figure. W,X,Y and Z are fournuclei indicate don the curve.Theprocessthatwouldrelease

Which of the plots shown in the figure represents speed(vn) of the electron in a hydrogen atom as a function of theprincipalquantumnumber(n)?

lf the Rolle’s theorem holds for the function  in the interval [−1, 1] for the point , then the value of 2a+b is

Ifis the frequency of the series limit of Lymanseries, is the frequency of the firstline of Lymanseries and
u₃ is the frequency of the series limit of the Balmer seriesthen

The diagram shows the energy levels for an electron in acertainatom. Which transitionshown represents theemissionofaphotonwiththemostenergy?