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❓❓In any experiment to compare and observe the pressure exerted by a solid on sand. A student placed the iron cuboid on sand in three different manner in contact with sand as A1 , A2 ,A3 respectively . If the corresponding depress observed by him were d1 ,d2 ,d3 then
1) d1 : d2 : d3 = A1: A2 : A3
2) d1 : d2 : d3
3) d1 : d2 : d3 = 1/ a1: 1/ a2 : 1/ a3
4) d1 / a1 + d2 / a2 + d3 / a3 = constant
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hardy0077:
11
Answers
Answered by
16
Hey mate,
We know,
P = F/A
ATQ,
F is proportional to D. (As more is the force more is the depression)
D is inversely proportional to A, as F is inversely proportional to D
So,
D1 inversely proportional to A1
D2 inversely proportional to A2
D3 inversely proportional to A3
Let's remove proportionality by constant k1, k2, k3
So,
D1 = K1/A1
D2 = K2/A2
D3 = K3/A3
We have,
D1/A1 = K1/A1^2
= K'... (1)
Which is also a constant,
D2/A2 = K2/A2^2
= K''...(2)
D3/A3 = K3/A3^2
= K"'..(3)
So from (1),(2) and (3)
4) option is correct!
Hope this helps you out!
Answered by
0
Answer:
Hey Mate.
I don't think so..
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