Match the following:
Ions | Properties |
I. Zn2+ | i. d8 configuration |
II. Cu2+ | ii. Colourless |
III. Ni2+ | iii. µ = 1.73 BM |
Codes:
A wooden block of mass M lies on a rough floor. Another wooden block of the same mass is hanging from the point O through strings as shown in the figure. To achieve equilibrium, the coefficient of static friction between the block on the floor and the floor itself is