What is the charge of 96 amu of `s^(2-)` ?
(a) 2C
(b) 3.2 x `10^(-19)` C
(c) 9.6 x `10^(-19)` C
(d) 6C

An electron is moving in a cyclotron at a speed of 3.2 xx 10^(7) m s^(-1) in a magnetic field of 5 xx 10^(-4) T perpendicular to it. What is the frequency of this electron? (q=1.6xx10^(-19)C, m_(c)=9.1xx10^(-31)kg)

If (x+2)/(x-2)=2/3 (a) -10\ (b) 10 (c) 4/3 (d) -4/3

Which of the following pairs of integers have 9 as a difference? (a) 19, 10 (b) -19 ,-10 (c) 19 ,\ -10 (d) (a) and (b) both

If a , ba n dc are the side of a triangle, then the minimum value of (2a)/(b+c-a)+(2b)/(c+a-b)+(2c)/(a+b-c)i s (a) 3 (b) 9 (c) 6 (d) 1

A rational number equal to (-2)/3 is (a) (-10)/(25) (b) (10)/(-15) (c) (-9)/6 (d) None of these

int( (log x)^(5) )/( x ) dx is equal to a) (log x^(6))/( 6) + C b) ( ( log x )^(6))/( 6) + C c) ((log x )^(6))/( 3x^(2)) + C d) none of these

If (2^3)^2=4^x ,\ then 3^x= (a)3 (b) 6 (c) 9 (d) 27

If the mean of 6,\ 7,\ x ,\ 8,\ y ,\ 14 is 9, then (a) x+y=21 (b) x+y=19 (c) x-y=19 (d) x-y=21

The number of cubes of side 3 cm that can be cut from a cuboid of dimensions 10 c m\ x\ 9c m\ x\ 6c m , is (a) 9 (b) 10 (c) 18 (d) 20

A ratio equivalent to 2:3 is (a) 4:3 (b) 2:6 (c) 6:9 (d) 10:9