35. The position of a particle is given by

The position of a particle is given by : ^→r = (^{^}i+2^{^}j-^{^}k) and momentum ^→p =(3^{^}i+4^{^}j-2^{^}k)  . The angular momentum is perpendicular to

(a)  X-axis

(b)  Y-axis

(c)   Z-axis

(d)  Line at equal angles to all the three axes

Ans. a

(164)