Question 21 MarkMagnetic keeper is a wooden piece.AnswerFalse.Magnetic keepers are pieces of soft iron.View full question & answer→
Question 31 MarkSingle touch method is better than the electrical method for making a magnet.AnswerFalse.Electrical method is better than the single-touch method.View full question & answer→
Question 51 MarkPermanent magnets get easily demagnetised.AnswerFalse.Permanent magnets can not be demagnetised.View full question & answer→
Question 61 MarkA magnet has no effect when it is heated to a high temperature.AnswerFalse.A magnet get demagnetised when it is heated to a very high temperature.View full question & answer→
Question 71 MarkA magnet can attract only a magnetic substance.AnswerTrueView full question & answer→
Question 91 MarkArtificial magnets are weaker than the natural magnets.AnswerFalse.Artificial magnets are stronger than natural magnets.View full question & answer→
Question 101 MarkWhenever a magnet is not in use, it should be stored along with other magnets.AnswerFalse.Whenever a magnet is not in use, it should not be stored along with other magnets.View full question & answer→
Question 111 MarkAs we move away from a magnet, its attraction power weakens.AnswerTrue.View full question & answer→
Question 121 MarkTemporary magnets are made of cobalt.AnswerFalse.Temporary magnets are made of soft iron.View full question & answer→
Question 131 MarkAttraction is the surest test for magnetism.AnswerFalse.Repulsion is the surest test for magnetism.View full question & answer→
Question 141 MarkIf a bar magnet is cut in two pieces, then one piece will have only the north pole and the other will have only the south pole.AnswerFalse.If a bar magnet is cut in two pieces, then each of the pieces will have the north pole and the south pole.View full question & answer→