Young's Modulus of Elasticity
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Q. meter stick is held vertically with one end on the floor and is allowed to fall . the speed of other end when it hits floor assuming that end at floor does not slip, g=9.8ms-2
Q. Two wires of equal length and cross-section are suspended as shown. Their Young’s modulii are y1 and y2 respectively. The equivalent Young’s modulus will be
Q. a freely falling body travelled x m in n^{th } second dis†an ce travelled in (n-1)^{th} second is a)x b)x+g c)x-g d)2x+3
Q.
Two wires A and B of same length and of the same material have the respective radii r1 and r2. Their one end is fixed with a rigid support, and at the other ends equal twisting couple is applied. Then the ratio of the angle of twist at the end of A and The angle of twist at the end of B will be