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Arpita Dua
Subject: Physics
, asked on 19/2/18
Solve this:
Q.10. A thick rope of density
ρ
and length L is hung from a rigid support. The Young's modules of te material of rope is Y. What is the increase in the length of the rope due to its own weight?
Answer
1
Arpita Dua
Subject: Physics
, asked on 19/2/18
Solve this:
Answer
1
Drishti
Subject: Physics
, asked on 14/2/18
Answer it please
Answer
1
Manveen Kaur
Subject: Physics
, asked on 13/2/18
Solve this :
13. Two metallic plates of equal length and thermal conductivity K
1
& K
2
are put together as shown in figure. The cross-sectional area of each rod is A. Find the equivalent thermal conductivity of composite rod.
Ans: (k
1
+k
2
)/2
Answer
2
Manveen Kaur
Subject: Physics
, asked on 13/2/18
10
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:
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Answer
1
Manveen Kaur
Subject: Physics
, asked on 13/2/18
Solve this :
8. We have a hollow sphere and a solid sphere of equal radii and of the same material. They are heated to raise their temperature by an amount
∆
θ
. Let
∆
V
&
∆
V
'
are the change in their volumes respectively. Then prove that
∆
V
'
>
∆
V
.
Answer
1
Krupa
Subject: Physics
, asked on 11/2/18
Q8
Answer
1
Alwy
Subject: Physics
, asked on 7/2/18
What is the amount of work required to blow a soap bubble of radius R with surface tension of Sigma and Pi in the world can go to soap Bubbles the same liquid is in the ratio 4 is to 9 find the ratio of the volumes of the two bubble
Answer
1
Tulsi Mehta
Subject: Physics
, asked on 5/2/18
Derive si unit of thermal conductivity , K.
Answer
2
Aditya
Subject: Physics
, asked on 29/1/18
the coefficient of volume expansion of a liquid is 4.9 * 10?-4?k?-1.Calculate the fractional change in its density when the temperature is raised by 30?o?C. The answer is ( 1.5 * 10-2)
Answer
3
Aditya
Subject: Physics
, asked on 29/1/18
The volume coefficient of expansion of a liquid is 7 times the volume coefficient of expansion of the vessel. The ratio of absolute and apparent expansion of the liquid is ? Pls answer this in veey nicely way
Answer
1
Vinamratha
Subject: Physics
, asked on 21/1/18
for a falling object with terminal velocity in a liquid . find the ratio of forces opposite to the motion by the liquid and its weight
Answer
1
Vinamratha
Subject: Physics
, asked on 21/1/18
a wire is stretched to increase its length by 100% . find the ratio of its young's modulus and energy stored in wire in unit volume
Answer
1
Vinamratha
Subject: Physics
, asked on 21/1/18
The length of the mettalic wire is x when tension in it is 3 N and length is y when in it is 4 N . Find the natural length
Answer
1
Vinamratha
Subject: Physics
, asked on 21/1/18
a soap bubble of radius r is converted into thrice of its radius . find the work done in the process if the surface tension of the soap solution is
Answer
1
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What are you looking for?
Q.10. A thick rope of density and length L is hung from a rigid support. The Young's modules of te material of rope is Y. What is the increase in the length of the rope due to its own weight?
13. Two metallic plates of equal length and thermal conductivity K1 & K2 are put together as shown in figure. The cross-sectional area of each rod is A. Find the equivalent thermal conductivity of composite rod.
Ans: (k1+k2)/2
8. We have a hollow sphere and a solid sphere of equal radii and of the same material. They are heated to raise their temperature by an amount . Let are the change in their volumes respectively. Then prove that .