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प्रश्न
What are the rules to be followed to make accurate measurement with scale?
उत्तर
- To avoid the parallax error.
- Your eye must be exactly in front of vertically above the point where the measurement has to be taken.
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Questions based on Higher Order Thinking Skills:
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There are three spheres A, B, C as shown below. Sphere A and B are made of 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 A. Density of A is double that of C.
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