Physics, asked by ziashehryar029, 9 months ago


The radius of sphere 'r' is measured with vernier callipers as
(r + ∆r)= (2.25 +0.01) cm. Calculate the volume of sphere.
This is numerical of physics.
So, i want answer numerically.
give explanation numerically please.​

Answers

Answered by faiz76758
10

Explanation:

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Answered by prateekmishra16sl
2

Answer: Volume of sphere is  (47.71 ± 0.64) cm³

Explanation:

Radius of sphere = (r ± ∆r)= (2.25 ± 0.01) cm

Volume of sphere =  \frac{4}{3} \pi r^{3}

Volume of sphere =  \frac{4}{3} \pi (2.25)^{3} cm³

Volume of sphere ≈ 47.71 cm³

V = \frac{4}{3} \pi r^{3}

⇒ ΔV/V = (3Δr)/r

⇒ ΔV  =  (3ΔrV)/r

⇒ ΔV  =   \frac{3 * 0.01 * 47.71}{2.25}  cm³

⇒ ΔV   ≈  0.64 cm³

Volume of sphere = (V + ∆V)  =  (47.71 ± 0.64) cm³

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