Multiple choice

A matchbox containing an unknown object, is placed on a thin glass table. From the other side of the glass i.e. below the table, a bar magnet is brought in front of the matchbox. When the bar magnet moves, it is able to drag the matchbox along. What is in the matchbox?

  1. Marble

  2. Match-sticks

  3. Steel ball bearings

  4. Rice grains

  5. Glass beads

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option because magnet attracts steel ball bearings.