1.Units, Dimensions and Measurement
easy

यदि एक गोले की त्रिज्या $(5.3 \pm 0.1)cm$ हो, तो इसके आयतन के मापन में प्रतिशत त्रुटि होगी

A

$3 + 6.01 \times \frac{{100}}{{5.3}}$

B

$\frac{1}{3} \times 0.01 \times \frac{{100}}{{5.3}}$

C

$\left( {\frac{{3 \times 0.1}}{{5.3}}} \right) \times 100$

D

$\frac{{0.1}}{{5.3}} \times 100$

Solution

(c) गोले का आयतन $(V) = \frac{4}{3}\pi {r^3}$

आयतन में प्रतिशत त्रुटि $ = 3 \times \frac{{\Delta r}}{r} \times 100$$ = \left( {3 \times \frac{{0.1}}{{5.3}}} \right) \times 100$

Standard 11
Physics

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