Evaluate `(5^-1xx2^-1) xx 6^-1`

Evaluate (8^-1 xx 5^3 )/ 2^-4

Find the value of (2^-1 xx 4^-1) :- 2^-2

Find thevalue of (3^0 + 4^-1) xx 2^2

Find the product: (-1) xx (-2) xx (-3) xx4

Find the product of: (-3) xx (-6) xx (-2) xx (-1)

The value of the product 6^(1/2)xx6^(1/4)xx^(1/8)xx6^(1/16) . . . . .oo is

Starting from (-1) x 5, write various products showing some patterns to show (-1) xx (-1) =1 .

If K_(a_(1)) and K_(a_(2)) of sulphuric acid are 1xx10^(-2) and 1xx10^(-6) respectively, then concentration of sulphate ions in 0.01 M H_(2)SO_(4) solution will be :

Suppose that the particle in exercise in 1.33 an electron projecrted with velocity v_(x)=2.0 xx10^(6) ms^(-1) if E between the paltes separted by 0.5 cm is 9.1 xx10^(2) N/C where will the electron strike the uppear plate (|e|=1.6 xx10^(-19)c ,m_(e )=9.1 xx10^(-31) kg)