MHT CET 2025 Physics question
A physical quantity 'X' is related to four measurable quantities 'a', 'b', 'c' and 'd' as . The percentage error in the measurement of 'a', 'b', 'c' and 'd' are 1%, 2%, 2% and 4% respectively. The percentage error in measurement of quantity 'X' is
Answer: (C)
Solution
For a product of powers, the maximum fractional errors add in proportion to the magnitude of the exponents: $×100 = 2×100 + 3×100 + ×100 + 2×100 = 2(1) + 3(2) +
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