Class/Course - Class VIII

Subject - Science

Chapter - Some Natural Phenomena


Attention Class VIII standard Aspirants! Just Exam provide a platform to all students who want to make practice for various subject online. We prepare this platform on the base of CBSE. If you want to join our unlimited test series, then please write us at info@justexam.in about your class/course


Dear User, Kindly login/register to view answer & explanation of each question.
Click here to Login/Sign Up.
Q.1 quake at two places A and B were measured by a seismograph which recorded the magnitude as 2 and 4 . The magnitude of tremors and its destructive energy at A and B can be compared as under :
  Tremor at B are two times that at place A
  Tremor at B are four times that at place A
  Tremor at B are 100 times that at place A
  Tremor at B are 1000 times that at place A