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Which of these properties remains constant regardless of changes in the mass and length of an object?

1. III (i) R
2. IV (iii) S
3. I (iv) Q
4. Both (a) and (b)

Correct answer: I (iv) Q

Solution

A property that is independent of mass and length must be dimensionless or not involve those base quantities. Among the given choices, the correct match is the one corresponding to that invariant property.

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