Question

Match the contents of column (I) with contents of the column (II).

$\begin{array}{cc}\text{COLUMN II}& \text{COLUMN II}\\ \text{(i)Unit of mass}& \text{(a)Meter}\\ \text{(ii)Pendulum of a clock}& \text{(b)Circular motion}\\ \text{(iii)Point on a spoke of a rotating wheel}& \text{(c) kilogram}\\ \text{(iv)S.I unit of length}& \text{(d) Periodic motion}\end{array}$

• A. (I)-a (II)-b (III)-c (IV)-d
• B. (I)-c (II)-d (III)-b (IV)-a
• C. (I)-c (II)-b (III)-d (IV)-a
• D. (I)-b (II)-d (III)-c (IV)-a

Answer 1

The correct option is B

(I)-c (II)-d (III)-b (IV)-a

SI unit of mass and length are kilogramme and metre respectively. The pendulum of the clock repeats its motion at a fixed interval of time. This type of motion is known as periodic motion. The point on the spoke of a rotating wheel undergoes circular motion.