Natural Phenomena MCQ Practice Bits

02 The shaking of earth is called 1. volcano 2. tsunami 3. earthquake 4. all of these

04 Which of the following cannot be changed easily by friction 1. a plastic scale 2. a copper rod 3. a woolen cloth 4. piece of wood

05 When a glass rod is rubbed with a piece of silk cloth 1. rod and the cloth acquire positive charge 2. rod becomes positively charged while the cloth has a negative charge 3. rod and the cloth both acquire negative charge 4. rod becomes negatively charged while the cloth has a positive charge