answer the following questions
Answers
Answer:
1)An earthquake is caused by a sudden slip on a fault. ... When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth's crust and cause the shaking that we feel. In California there are two plates - the Pacific Plate and the North American Plate.
2)In India, earthquakes are mo st likely to strike in Jammu and Kashmir, Gujarat and Assam.
3)Describe with the help of a diagram an instrument which can be used to detect a charged body. Answer: Electroscope is a device which is used to test if an object is carrying charge or not. It consists of 2 metal leaves which are connected to a metal rod which in turn is connected to a disc.
4)A charged balloon is repelled by another charged balloon because both the balloons contain same type of charges. When a charged balloon is brought near an uncharged balloon, uncharged balloon acquires opposite charge by induction. Since unlike charges attract each other.
5)Protective measures against lightning are:→ Stay indoor or under covered area. → Do not take bath during lightning. → Do not use any electrical appliances during lightning.
