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AIIMS 2012 Physics Question Paper for free online practice with solutions
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© examsnet.com
Question : 1
Total: 60
If the earth stops moving around its polar axist hen what will be effect on body placed at south axis?
Remain same
Increase
Decrease but not zero
Decrease zero
Validate
Solution:
Variation in
g
due to rotation of earth
g
′
=
g
−
ω
2
R
c
o
s
2
λ
At poles,
λ
=
90
°
in the above expression, we get
g
pole
=
g
−
ω
2
R
c
o
s
2
90
°
∴
g
pole
=
g
i.e., there is no effect of rotational motion of the earth on the value of
g
at poles.
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