Home
Class 12
PHYSICS
The sides of a rectangle are (10.5 +- 0....

The sides of a rectangle are `(10.5 +- 0.2) cm and ( 5.2 +- 0.1 ) cm`. Calculate its perimeter with error limits .

Text Solution

Verified by Experts

Here l=`(10.5pm0.2)cm,b=(5.2pm0.1)cm`
`P=2(l+b)=2(10.5+5.2)=31.4cm`
`DeltaP=pm2(Deltal+Deltab=pm0.6`
Hence perimeter=`(31.4pm0.6)cm`
Promotional Banner

Similar Questions

Explore conceptually related problems

The sides of a rectance are (5.5 pm 0.1) cm and (3.5 pm 0.2) cm . Its perimeter is

The length and breadth of a rectangle are ( 5.7 +- 0.1 ) cm and ( 3.4 +- 0.2 ) cm , respectively calculate the area of rectangle with error limits.

The length and breadth of a rectangle are ( 5.7 +- 0.1 ) cm and ( 3.4 +- 0.2 ) cm , respectively calculate the area of rectangle with error limits.

The radius of a sphere is measured to be (1.2 +- 0.2)cm . Calculate its volume with error limits.

The temperature of two bodies measured by a thermometer are (2.1 +-0.5)^(@)C and (50+-0.5)^(@)C . Calculate the temperature difference with error limits.

The radius of a sphere is measured to be (2.1 +- 0.02) cm . Calculate its surface area with error limits.

The volumes of two bodies are measured to be V_1 = (10.2+-0.02) cm^3 and V_2 = (6.4 +- 0.01)cm^3 . Calculate sum and difference in volumes with error limits.

The radius of a sphere is measured to be (2.1+-0.5) cm. Calculate its surface area with error limits .

The radius of a sphere is measured to be (2.1+-0.5) cm. Calculate its surface area with error limits .

The sides of a rectangle are in the ratio 2:3, and its perimeter is 20cm. Draw the rectangle.