NEET2025Physics-Error Analysis

NEET 2025 Physics Percentage Error Calculation MCQ Question

Type: MCQ-numerical-Easy-Class 11

A physical quantity P is related to four observations a, b, c and d as follows: P = a³b²/c√d The percentage errors of measurement in a, b, c and d are 1%, 3%, 2%, and 4% respectively. The percentage error in the quantity P is

A

10%

B

2%

C

13%

D

15%

Correct Answer

Option C

Detailed Explanation

The percentage error in P is calculated using the formula: ΔP/P = 3(Δa/a) + 2(Δb/b) + (Δc/c) + 0.5(Δd/d). Substituting the given errors gives 13%.

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