First slide

Accuracy; precision of instruments and errors in measurements

Question

The temperature of two bodies measured by a thermometer are $(20 \pm 0.5) ° C$ and $(50 \pm 0.5) ° C$ . Calculate the temperature difference with error limits.

Moderate

A

$(70 \pm 1) ° C$
B

$(40 \pm 1) ° C$
C

$(30 \pm 0) ° C$
D

$(30 \pm 1) ° C$

Solution

$(50 ° C \pm 0.5 ° C) - (20 ° C \pm 0.5 ° C)$
$= (30 \pm 1) ° C$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App