IIT JEE : Elasticity QUESTIONS AND ANSWERS :: part1 : 26 to 30
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
26.The property due to which a material can be hammered into thin sheet is called: |
| ductility |
| malleability |
| brittleness |
| elasticity |
27.The modulus of elasticity is dimensionally equivalent to: |
| surface tension |
| stress |
| strain |
| none of these |
28.The Youngs modulus of a wire is numerically equal to the stress which will: |
| not change the length of the wire |
| double the length of the wire |
| increase the length by 50% |
| change the radius of the wire to half |
29.If a metal wire of length L, having area of cross-section A and Youngs modulus Y, behaves as a spring of spring constant k. The value of k is: |
| YA/L |
| YA/2L |
| 2YA/L |
| YL/A |
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