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Class 11 Physics (Part Ii) Chapter 11 Mechanical Properties Of Solids Quiz 2 (25 MCQs)

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1. Which experiment can be used to demonstrate the brittleness of a solid?
2. In Searl's apparatus to find Young's modulus. If length of wire and radius both are doubled then the value of (Young's modulus) will become
3. SECTION B-Attempt any EIGHT:How many significant figures are in the number 2607?
4. Which is the correct relation between static friction, kinetic friction and rolling friction?
5. If a force of 4 N is applied across a face of a cube whose sides are 2mm each then stress produced is
6. The modulus of elasticity corresponding to change in length is called as .....
7. Select the correct answer:What is the magnitude of the vector $\mathbf{A}=3\mathbf{i}+\mathbf{j}-2\mathbf{k}$
8. Dimensions of stress is
9. Hooke's law states
10. As temperature increases, viscosity
11. Which of the following quantities is dimensionless?
12. Hydraulic lifts are an example of applying
13. Poisson's ratio cannot have the value:
14. Change in dimensions is known as
15. When a wire is stretched .....
16. Find the derivative of the function $x^6 +\cos x$
17. What does the slope of the linear portion of the stress-strain curve represent?
18. According to Pascal, pressure applied to a fluid
19. Combination of lattice and basis potentially made:
20. If a wire breaks just after plastic flow begins then material is
21. How many significant figures are in the number 0.0067?
22. A unit vector is a vector having magnitude
23. Two uniform wires of the same radius and material have their lengths in the ratio 1:2. If these are stretched by the same force, the strain produced in the two wires will be in the ratio
24. Explain the concept of shear modulus and its importance in material properties.
25. Bulk Modulus is minimum for
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