Question

Measure the length, breadth and thickness of a glass block using a metre rule (each reading cor-
rect to a mm), taking the mean of three readings in each case. Calculate the volume of the block
in cm3 and m?. Determine the mass (not weight) of the block using any convenient balance in
4 g and kg. Calculate the density of glass in cgs and SI units using mass and volume in the re-
spective units. Obtain the relation between the two density units.​ please it's nesscary i need to submit my project tomorrow

Answer 1

Answer:

Given that,

Length of the block l=(5.12+0.01)cm

Breadth of the block b=(10.15+0.01) cm

Thickness of the block t=(5.28+0.01) cm

We know that,

Relative error in volume of cuboid

V

dV

=

l

dl

+

b

db

+

t

dt

V

dV

=

5.12

0.01

+

10.15

0.01

+

5.28

0.01

V

dV

=

512

1

+

1015

1

+

528

1

Now, the percentage error in volume

V

ΔV

×100=0.48

%ΔV=0.48%

Hence, the percentage error in volume is 0.48.

Explanation:

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