Question 12 Markscharged glass rod attract a charged plastic straw.AnswerTrueView full question & answer→
Question 22 MarksThe outer most layer of the earth is not in one piece. It is fragmented.AnswerTrueView full question & answer→
Question 32 MarksIt is not advisable to use an umbrella during thunderstormAnswerTrueView full question & answer→
Question 42 MarksThe metal columns, electrical wires and water pipes in the building protect us to an extent from lightning.AnswerTrueView full question & answer→
Question 52 MarksAluminium foil gets charged when we touch the charged metallic rod of an electroscope.AnswerFalse Aluminium foil gets discharged when we touch the charged metallic rod of an electroscope.View full question & answer→
Question 62 MarksAn electroscope is a device that produces charge.AnswerFalse Am electroscope is a device that detects charge.View full question & answer→
Question 72 MarksThe electrical charges generated by rubbing proper objects are static. They do not move by themselves.AnswerTrueView full question & answer→
Question 82 MarksThe charge acquired by glass rod is positive when it is rubbed with silk.AnswerTrueView full question & answer→
Question 92 MarksA charged balloon is attracted by another charged balloon.AnswerFalse A charged balloon is repelled by another charged balloon.View full question & answer→
Question 102 MarksWhen a plastic comb is rubbed with dry hair, it acquires charge but hair does not acquire charge.AnswerFalse When a plastic comb is rubbed with dry hair, comb and hair both acquire charges.View full question & answer→
Question 112 MarksThe ancient Greeks knew as early as $B.C. 600$ that when amber was rubbed with fur, it attracted light objects such as hair.AnswerTrueView full question & answer→