JEE Main Physics question

PhysicsUnits and MeasurementJEE Main

The radius of a wire is . Then its area of cross section, by taking significant figures into consideration, is

Answer: (C)

Solution

; since the radius has 2 significant figures, the area

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-157150