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NTA Abhyas 2020

Exam: NTA Abhyas
Year: 2020
Subject: Physics
Chapter: Units and Dimensions

NTA Abhyas 2020 · Physics · Units and Dimensions

Two gold pieces, each of mass 0. 035g , are placed in a box of mass...

Two gold pieces, each of mass

0. 035g

, are placed in a box of mass

2. 3g

. The total mass of the box with gold pieces is

Options

A $2. 3g$
B $2. 4g$
C $2. 37g$
D $2. 370g$

Correct answer

B. $2. 4g$

Step-by-step solution

( 2.3 + 0.035 + 0.035 ) g = 2. 37g

But we have to retain only one decimal place.

So, the total mass is

2. 4g

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