Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A wire of length L and cross-sectional A is made of a material of Young’s modulus Y, is pulled by a constant force F on a horizontal surface as shown in figure. Then
10
Oct
A wire of length L and cross-sectional A is made of a material of Young’s modulus Y, is pulled by a constant force F on a horizontal surface as shown in figure. Then A wire of length L and cross-sectional A is made of a material of Young's modulus Y is pulled by a constant [...]
Four rods A, B, C and D of the same length and material but of different radii r, r root 2 ,r root 3 and 2 r, respectively, are held between two rigid walls. The temperature of all rods is increased through the same range. If the rods do not bend, then
10
Oct
Four rods A, B, C and D of the same length and material but of different radii r, r root 2 ,r root 3 and 2 r, respectively, are held between two rigid walls. The temperature of all rods is increased through the same range. If the rods do not bend, then are [...]
The wires A and B shown in Fig. are made of the same material and have radii rA and rB, respectively. The block between them has a mass m. When the force F is mg/3, one of the wires breaks. Then
10
Oct
The wires A and B shown in Fig. are made of the same material and have radii rA and rB, respectively. The block between them has a mass m. When the force F is mg/3, one of the wires breaks. Then one of the wires breaks. Then respectively. The block between them has a mass [...]
A composite rod consists of a steel rod of length 25 cm and area 2 A and a copper rod of length 50cm and area A. The composite rod is subjected to an axial load F. If the Young’s modulii of steel and copper are in the ration 2 : 1, then
10
Oct
A composite rod consists of a steel rod of length 25 cm and area 2 A and a copper rod of length 50cm and area A. The composite rod is subjected to an axial load F. If the Young’s modulii of steel and copper are in the ration 2 : 1, then A body of [...]
A metal wire length L, cross sectional area A and Young’s modulus Y is stretched by a variable force F. F is varying in such a way that F is always slightly greater than the elastic forces or resistance in the wire. When the elongation in the wire is l, up to this instant
10
Oct
A metal wire length L, cross sectional area A and Young’s modulus Y is stretched by a variable force F. F is varying in such a way that F is always slightly greater than the elastic forces or resistance in the wire. When the elongation in the wire is l, up to this instant A [...]
A body of mass M is attached to lower end of a metal wire, whose upper end is fixed. The elongation of wire is l. In this situation , mark out the correct statements .
10
Oct
A body of mass M is attached to lower end of a metal wire, whose upper end is fixed. The elongation of wire is l. In this situation , mark out the correct statements . A body of mass M is attached to lower end of a metal wire mark out the correct statements. whose [...]
A rod is made of uniform material and has non-uniform cross section. It is fixed at both the ends as shown and heated at mid-section. Which of the following are not correct?
10
Oct
A rod is made of uniform material and has non-uniform cross section. It is fixed at both the ends as shown and heated at mid-section. Which of the following are not correct? A rod is made of uniform material and has non-uniform cross section. It is fixed at both the ends as shown and heated [...]
which of the following are correct? (1) For a small deformation of a material , the ratio is constant.
10
Oct
which of the following are correct? (1) For a small deformation of a material , the ratio is constant. the ratio is constant. which of the following are correct? (1) For a small deformation of a material October 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A uniform plank is resting over a smooth horizontal floor and is pulled by applying a horizontal force at its one end. Which of the following statements are correct?
10
Oct
A uniform plank is resting over a smooth horizontal floor and is pulled by applying a horizontal force at its one end. Which of the following statements are correct? A uniform plank is resting over a smooth horizontal floor and is pulled by applying a horizontal force at its one end. Which of the following [...]
which of the following are correct? (1) The shear modulus of a liquid is infinite.
10
Oct
which of the following are correct? (1) The shear modulus of a liquid is infinite. which of the following are correct? (1) The shear modulus of a liquid is infinite. October 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,