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When a glass rod is rubbed with a piece of silk cloth the rod cbse-class8-physics-20151 AnswerAn inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall? cbse-class8-physics-20151 AnswerA blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron? cbse-class8-physics-20151 AnswerRaisins are gently wiped off before final weighing with the help of -cbse-biology-class10-20111 AnswerPaheli had heard that rain water is as good as distilled water. So, she collected some rain water in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection. What could be the reasons? cbse-class8-physics-20151 AnswerWhich of the following cannot be charged easily by friction? cbse-class8-physics-20151 AnswerThe path through which electric current flows: a) Plastic b) Cloth c) Iron d) Glass -NCERT CBSE CLASS 6TH SCIENCE 20161 AnswerIn 1805, a British official, Benjamin Heyne, listed manufactured goods in Bangalore which included the following items: cbse-class9-history-20161 AnswerWhy there is difference in sound on dropping a metal coin and a piece of coal? cbse-class8-chemistry-20151 AnswerName the fibre having properties similar to that of silk. cbse-class8-chemistry-20151 AnswerFill out the blanks with right kind of verbs Waking up one morning ,I a)---------------(see) the sails of a ship at a distance. Greatly excited ,I (b)--------- (take) a piece of white cloth , tied it to a long stick and (c)--------(wave) it to catch their attention. - NCERT CLASS 6TH CBSE ENGLISH 20161 AnswerWhat is artificial silk? cbse-class8-chemistry-20151 AnswerMention against each of the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in each case. cbse-class8-physics-20151 AnswerGurmit wanted to perform Activity 16.8 using a laser torch. Her teacher advised her not to do so. Can you explain the basis of the teachers advice? cbse-class8-physics-20151 AnswerWhen the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason? cbse-class8-physics-20151 AnswerThe sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration? cbse-class8-physics-20151 AnswerIn case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this. cbse-class8-physics-20151 AnswerSuppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it. cbse-class8-physics-20151 AnswerDraw sketches to show the relative positions of prominent stars in (a) Ursa Major and (b) Orion cbse-class8-physics-20151 AnswerDescribe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane cbse-class8-physics-20151 Answer