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10 Question-Answer on elasticity 1.        Gases possess ( as compared to liquids and solids) (a)     Smallest bulk modulus (b)    Largest rigidity modulus (c)     Largest bulk modulus (d)    All moduli more or less of equal magnitude Ans: (a) 2.        With rise in temperature, the Young’s modulus of elasticity (a)     Decreases (b)    Increases (c)     Change erratically (d)    Remains unchanged Ans: (a) 3.        The Young’s modulus of a perfectly rigid body is: (a)     Unity (b)    Zero (c)     Infinity (d)    Some finite non-zero constant Ans:   (c ) 4.        The bulk modulus of a perfectly rigid body, is equal to: (a)     Infinity (b)    Zero (...