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JEE Advanced 2021 Paper 2
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© examsnet.com
Question : 7
Total: 57
The value of
X
is____________
Your Answer:
Validate
Solution:
When tube + air system starts sinking
F
B
=
m
g
⇒
ρ
0
(
V
glass
+
V
gas
)
=
m
1
(
2
+
V
gas
)
=
5
⇒
V
gas
=
3
c
c
Hence
∆
V
=
V
0
−
V
g
a
s
=
3.3
c
c
−
3
c
c
=
0
.
3
c
c
∴
x
=
∆
V
=
=
0.3
© examsnet.com
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