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प्रश्न
State two conditions for a beam balance to be true.
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उत्तर
Conditions for a beam balance to be true are
1. Both the pans must be of equal weights.
2. Both the arms must be of equal lengths.
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Questions based on higher-order thinking skills:
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There are three spheres A, B, and C as shown below. Spheres A and B are made of the same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of sphere A. The density of A is double that of C.
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