# The velocity of a body is $10^2$ mm/nano second. It is also equivalent to `

$\begin {array} {1 1} (A)\;3.6 \times 10^3 km \: h^{–1} & \quad (B)\;3.6 \times 10^8 km \: h^{–1} \\ (C)\;3.6 \times 10^7 km \: h^{–1} & \quad (D)\;3.6 \: km \: h^{–1} \end {array}$

Ans : (B)
$3.6 \times 10^8 km \: h^{–1}$