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Byju's Answer
Standard IX
Chemistry
Atoms
1 cm2=100 mm2
Question
1
c
m
2
=
100
m
m
2
A
False
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B
True
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Solution
The correct option is
B
True
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4
Similar questions
Q.
100 square millimetres (
m
m
2
)= ________ square centimetre(
c
m
2
).
Q.
Fill in the blanks :
(i) 2
m
2
=_______
c
m
2
(ii) 1
m
2
=_______
k
m
2
(iii) 1
m
2
= _______
m
m
2
Q.
Find the missing values:
Base
Height
Area of triangle
15
cm
______
87
c
m
2
________
31.4
mm
1256
m
m
2
22
cm
_______
170.5
c
m
2
.
Q.
A stress of
2
k
g
/
m
m
2
is applied on a wire. If
Y
=
10
12
d
y
n
e
/
c
m
2
then the percentage increase in its length will be
Q.
In a strained material, the principal stresses in the x and y directions are 100
N
/
m
m
2
(tensile) and 60
N
/
m
m
2
(compressive). On an inclined plane, the normal to which makes an angle 30° to the x-axis, what is the tangential stress in
N
/
m
m
2
?
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