Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the same force, then increase in length will be in the ratio
When an elastic material with Young’s modulus Y is subjected to stretching stress S, elastic energy stored per unit volume of the material is
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The compressibility of water is 4 × 10^{–5} per unit atmospheric pressure. The decrease in volume of 100 cm^{3 }of water under a pressure of 100 atmosphere will be
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied ?
If the ratio of diameters, lengths and Young’s modulus of steel and copper wires shown in the figure are p, q and s respectively, then the corresponding ratio of increase in their lengths would be [NEET Kar. 2013]
102 videos411 docs121 tests

102 videos411 docs121 tests
