Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

The load versus elongnation graph for four wires of the same material is shown oin the figure. The thickest wire is represented by the line The load versus elongnation graph for four wires of the same material is shown oin the figure. The thickest wire is represented by the line October 9, 2020 Category: Uncategorised [...]

The diagram shows a force extension graph for a rubber band, consider the following statements (I). It will be easier to compress this rubber than expand it. (II). Rubber does not return to its original length after it is stretched. (III). The rubber band will get heated if it is stretched and released. Which of [...]

The strain stree curves of three wires of different matrerials are shown in the figure. P, Q and R rae the slastic limits of the wires. The figure shows that Q and R rae the slastic limits of the wires. The figure shows that The strain stree curves of three wires of different matrerials are [...]

THe diagram shows stress v/s strain curve for the materials A and B . From the curves we infer that THe diagram shows stress v/s strain curve for the materials A and B . From the curves we infer that October 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A 40 kg boy whose leg bones are 4 cm² in area and 50 cm long falls through a height of 50cm without breaking his leg bones. If the bones can stand a stress of 0.9 X 10^8 N/m². Calculate Young’s Modulus for the material of the bone. Assuming young's modulus of aluminum to be [...]

Identical springs of steel and copper are stretched by equal forces , F each. On which is more work done? F each. On which is more work done? Identical springs of steel and copper are stretched by equal forces October 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Identical springs of steel and copper are stretched by equal lengths. On which is more work done? Identical springs of steel and copper are stretched by equal lengths. On which is more work done? October 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A block of mass M is suspended from a wire of length L, area of cross section A and young’s modulus Y. Find the elastic potential energy stored in the wire. A block of mass M is suspended from a wire of length L area of cross section A and young's modulus Y. Find the [...]

The work done in stretching a wire by 1 mm is 4 j . Find the work done in stretching another wire of same material, but double the radius and half the length by 0.1 mm in j. but double the radius and half the length by 0.1 mm in j. The work done in [...]

Assuming young’s modulus of aluminum to be 7 x 10^10 N/m^2, find energy stored in an aluminium rod of cross section 10^-4 m^2 and 0.1 m long when compressed by a load of 10 kg. Assuming young's modulus of aluminum to be 7 x 10^10 N/m^2 find energy stored in an aluminium rod of cross [...]