Subject :NSO Class : Class 8
Subject :NSO Class : Class 5
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 7
its D as the force of attraction and repulsion(depicted by arrows)should be equal i.e if there are arrows of repulsion(going north either south)is 2 then there should be equally 2 arrows of attraction.
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6