Verified Solution • 2025–26 Session moderate

QNEET-2022-Ph-533: NEET 2022 Physics - Class 11 NEET-2022-Ph-533 Solution: The percentage error in the measurement of g is: (Given that…

The percentage error in the measurement of g is: (Given that g=4π2LT2g = \frac{4\pi^2 L}{T^2} L=(10±0.1) cmL=(10\pm 0.1)\ \text{cm} T=(100±1) sT=(100\pm 1)\ \text{s}) 7% 2% 5% 3%

Multiple Choice Options

  • A 7%
  • B 2%
  • C 5%
  • D 3%

Step-by-Step Verified Solution

Given g = 4 p 2 L T 2 Fractional error in value of g _ g g = _ L L + 2 _ T T _ _ g g _ 100 = _ L L _ 100 + 2 _ T T _ 100 _ _ g g _ 100 = 0.1 10 _ 100 + 2 _ 1 100 _ 100 = 3 % Hence, percentage error in measurement of g is 3%

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