Question

A magnet was brought from various directions towards a toy boat that was floating in a water tub. The observed effect in each case is mentioned in Column I. Possible reason for the observed effects are mentioned in Column II. Match the statements in Column I and Column II. [5 MARKS]
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{Boat gets attracted towards the bar magnet.}& \text{Boat is fitted with a bar magnet with north pole towards its head.}\\ \text{Boat is not affected by the magnet.}& \text{Boat is fitted with a bar magnet with south pole towards its head.}\\ \text{Boat moves towards the magnet if north pole of the magnet is brought near its head.}& \text{Boat has a small magnet fixed along its length.}\\ \text{Boat moves away the magnet if north pole of the magnet is brought near its head.}& \text{Boat is made of magnetic material}\\ \text{Boat floats without changing its direction.}& \text{Boat is made of non-magnetic material}\end{array}$

Answer 1

Each point: 1 Mark

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{Boat gets attracted towards the bar magnet.}& \text{Boat is made of magnetic material}\\ \text{Boat is not affected by the magnet.}& \text{Boat is made of non-magnetic material}\\ \text{Boat moves towards the magnet if north pole of the magnet is brought near its head.}& \text{Boat is fitted with a bar magnet with south pole towards its head.}\\ \text{Boat moves away the magnet if north pole of the magnet is brought near its head.}& \text{Boat is fitted with a bar magnet with north pole towards its head.}\\ \text{Boat floats without changing its direction.}& \text{Boat has a small magnet fixed along its length.}\end{array}$