Explain following terms :
(i) `u_(mp)`
(ii) `u_(av)`
(iii) `u^(2)`
(iv) `u_(rms)`

Plot the following points on a Cartesian plane. (i) B(-2,3) (ii) L(5,-8) (iii) U(6,4) (iv) E(-3,-3)

Arrange in increasing order to U_(av) U_(mp) and U_(rms) .

We are given the following atomic masses: ""_(92)^(238) U = 238.05079 u " " _(2)^(4)He = 4.00260 u ""_(90)^(234)Th = 234.04363 u" "_(1)^(1)H= 1.00783 u ""_(91)^(237)Pa = 237.05121 u Here the symbol Pa is for the element protactinium (Z = 91). (a) Calculate the energy released during the alpha decay of ""_(92)^(238)U . (b) Show that ""_(92)^(238)U can not spontaneously emit a proton.

If A =((1,0,0),(2,1,0),(3,2,1)) u_(1) and u_(2) are the column matrices such that Au_(1) = ((1),(0),(0))and Au_(2) = ((0),(1),(0))" then " u_(1) + u_(2) is equal to

A metal is illumimated by light of two different wavelength 248nm and 310 nm . The maximum speeds of the photoelectrons corresponding in these wavelength are u_(1) and u_(2) respectively . If the ratio u_(1) : u_(2) = 2 : 1 and hc = 1240 eVnm , the work function of the meal is nearly

Find the points of discontinuity of y = (1)/(u^(2) + u -2) , where u = (1)/(x -1)