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The diagram shows the change x in the length of a thin uniform wire caused by the application of stress F at two different temperature The variation



 None of these
The correct answer is:
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Which are of the following is the young's modulus (in for the wire having the stress strain curve in the figure.
Which are of the following is the young's modulus (in for the wire having the stress strain curve in the figure.
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If the surfaces shown in figure are frictionless, the ratio of T_{1} and T_{2} is……..
If the surfaces shown in figure are frictionless, the ratio of T_{1} and T_{2} is……..
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Three blocks of masers m_{1},m_{2} and by massless strings as shown in figure, on a frictionless table. They are Pulled with the force T_{3}=40 N. If m_{1}=10 kg,m_{2}=6 kg and m_{3}=4kg the tension T_{2} will be=...N
Three blocks of masers m_{1},m_{2} and by massless strings as shown in figure, on a frictionless table. They are Pulled with the force T_{3}=40 N. If m_{1}=10 kg,m_{2}=6 kg and m_{3}=4kg the tension T_{2} will be=...N
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If where is the greatest integer no exeeding
If where is the greatest integer no exeeding
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The diagram shows stress w/s strain curve for the materials A and B. From the curves we infer that
The diagram shows stress w/s strain curve for the materials A and B. From the curves we infer that
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The value of force constant between the applied elastic. force F and displacement will be
The value of force constant between the applied elastic. force F and displacement will be
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The potential energy U between two molecules as a function of the distance x between them has been shown in the figure. The two molecules are.
The potential energy U between two molecules as a function of the distance x between them has been shown in the figure. The two molecules are.
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The graph shows the behavior of a length of wire in the region for which the substance obeys Hooke's law. P & Q represent.
The graph shows the behavior of a length of wire in the region for which the substance obeys Hooke's law. P & Q represent.
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The graph is drawn between the applied force F and the strain (x) for a thin uniform wire the wire behaves as a Iiquid in the part.
The graph is drawn between the applied force F and the strain (x) for a thin uniform wire the wire behaves as a Iiquid in the part.
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The adjacent graph shows the extension of a wire of length I m suspended from the top of a roof at one end with the load W connected to the other end. If the cross sectional area of the wire is , calculate the young's modulus of the material of the wire.
The adjacent graph shows the extension of a wire of length I m suspended from the top of a roof at one end with the load W connected to the other end. If the cross sectional area of the wire is , calculate the young's modulus of the material of the wire.
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A lift of mass 1000 kg is moving with an acceleration of 1 ms^{2} in upward direction tension developed in the rope of lift is…..N (g=9.8ms^{2})
A lift of mass 1000 kg is moving with an acceleration of 1 ms^{2} in upward direction tension developed in the rope of lift is…..N (g=9.8ms^{2})
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A Person standing on the floor of a lift drops a coin. The coin reaches the floor of the lift in time to if the lift is stationary and the time t_{2} if il is acceleratcd in upward direction. Than
A Person standing on the floor of a lift drops a coin. The coin reaches the floor of the lift in time to if the lift is stationary and the time t_{2} if il is acceleratcd in upward direction. Than
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A car turns a comer on a slippery road at a constant speed of 10m/5. If the coefficient of friction is 0.5, the minimum radius of the are at which the car turns is …….. meter.
A car turns a comer on a slippery road at a constant speed of 10m/5. If the coefficient of friction is 0.5, the minimum radius of the are at which the car turns is …….. meter.
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A man is standing on a spring balance. reading of spring balance is 60kgf It man jumps out side balance, then wading of
A man is standing on a spring balance. reading of spring balance is 60kgf It man jumps out side balance, then wading of
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Maths
If
If
MathsGeneral