This video covers the most important questions and answers of maxwell needle experiment
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Time Stamp
0:00 Maxwell Needle Viva Voce
0:22 What do you understand by elasticity?
0:40 What are elastic and plastic bodies?
1:02 What do you mean by stress?
1:25 What do you understand by strain?
1:50 What is Hooke’s Law?
2:09 How many types of moduli of elasticity?
2:30 What are the units and dimensions of the modulus of elasticity?
2:52 Define Young’s modulus?
3:06 Define Bulk modulus?
3:17 Define the modulus of rigidity?
3:33 What is Poisson’s Ratio?
4:09 Explains the terms (i) limit of proportionality, (ii) elastic limit, (iii)yield point, (iv) breaking stress and (v) tensile strength?
5:28 How do you produce shearing in a rod or wire?
5:57 What is the effect of temperature on elastic moduli?
6:12 On what factors does the time period of oscillation depend?
6:38 How the time period of the oscillations changes on switching the positions of the hollow and solid cylinders?
7:06 What is the most important quantity to be measured in this experiment?
7:28 Will the values of the modulus of rigidity be the same for thin and thick wire of the same material?