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Rehan Agrawal from Indian School Ghubra, Muscat
Subject :NSO    Class : Class 8

Electroscope is used

A To detect and test small electric charges
B To calculate the amount of electric charge flowing through the conductor in the given interval of time
C To find out the presence of antimatter
D To test the presence of magnetic field.


Ans 1:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
Solution States that "correct" answer is wrong!

Ans 2:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Option A

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