Start Free Mock LoginAlready registered? Login here

Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The relative error in the determination of the surface area of a sphere is $α$ . The relative error in the determination of its volume is

Options:

Answer:

Solution:

$\frac{Δ s}{s} = 2 \times \frac{Δ r}{r}$

$\frac{Δ V}{V} = 3 \times \frac{Δ r}{r}$

$\begin{array}{l} ∴ \frac{Δ v}{v} = \frac{3}{2} \frac{Δ s}{s} \\ \frac{Δ v}{v} = \frac{3}{2} α \end{array}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

Doubts & Discussion

Loading discussions...