Subject :NSO Class : Class 8
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
Ans 5:
Class : Class 8
@bhagyesh .As metal rod or electroscope is positively charged all the currents flown to the object will be positive and the leaves will repel each other
Ans 11:
Class : Class 8
This is wrong. The answer should be C, due to induction. The positive charges move to the bottom as they repel, while the negative particles should move to the top, as they are attracted to the positive particles in the bar.
Ans 14:
Class : Class 1
@Bhagyesh You need to use your brain and do it with your hands. Simple. @Raavi no need of that big thingy
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Subject :NSO Class : Class 6
Ans 10:
Class : Class 6
Loud speakers use electromagnets as they dont need magnetic force when not in use so ans is B
Ans 13:
Class : Class 9
The answer is B as loudspeakers use electromagnets and the magnetic field isn't there always .
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
Ans 3:
Class : Class 8
correct answer is C as the ray would refract if its passing from a rarer to denser medium.
Ans 4:
Class : Class 10
It's A.When light travels from a denser to rarer medium,it bends TOWARDS the normal(Check normal in solution).Hence,answer is A.
Ans 5:
Class : Class 8
The answer is C because the ray would refract and be parallel to incident ray. also the emergent ray cant appear behind the incident ray
Ans 6:
Class : Class 6
After checking the Snell's law, I found the answer to be C...But it says the correct answer is A
Ans 9:
Class : Class 6
It is Option C only, as when light travels from denser to rarer medium, it bends away from normal
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Subject :NSO Class : Class 4
Ans 8:
Class : Class 4
Shuchi: P is an organism which has three stages in its life cycle. The young one is very similar to its parent.Ritu: Q is an organism which has four stages in its life cycle. The young one is very different from its parent.Now, let’s see which of the following options gives the right identities of Organisms P and Q: