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Elasticity Free Doubts and Solutions

CBSE - XI Science - Physics - Mechanical Properties of Solids

why does an experimental bottle in a lab is fitted with cork and not with rubber?

Asked by Pawan 5th September 2015, 6:26 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

why bridges have I shaped beam?
 

Asked by vipul_p_doshi 2nd May 2015, 3:31 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

an iron rod 4m long and 0.5cm2 in cross section stretches 1mm when a mass of 225kg is hung from its lower end . calculate youngs modolus of iron?
 

Asked by sammy123 19th March 2015, 6:42 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

If a compressive force of 3 * 10^4 N i s exerted on the end of a 20 cm long bone of cross sectional area 3.6 cm square 
(a) will the bone break 
(b) if not by what length will it shorten
 

Asked by Vedant 25th December 2014, 3:27 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

A metal wire is loaded with a force still in the elastic limit. When it is deformed, some energy gets stored in it due to work done by force. Is this energy recovered or lost?

Asked by SS27 17th December 2014, 9:08 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

When a force of 480 N is applied on the wire of length 2.5 mm of radius 0.007 mm then the wire is increased by length 2.5739 mm.Find the Young's modulus of elasticity of wire

Asked by rohit kumar 10th September 2014, 12:09 AM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

Plot stress vs strain curve for a metal. On the graph depict: (i)  Yield point (ii) Fracture point (iii) Proportional limit (iv) Permanent set.

Asked by Topperlearning User 24th July 2014, 4:52 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

Which is more elastic, steel or rubber? why?

Asked by Topperlearning User 24th July 2014, 4:41 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

Which type of substances are called elastomers? Give one example.

Asked by Topperlearning User 24th July 2014, 4:41 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

State Hooke's law.  Is it the fundamental law of elasticity?

Asked by Topperlearning User 24th July 2014, 3:32 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

What do you mean by the elastic limit?

Asked by Topperlearning User 24th July 2014, 3:25 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

The stress versus strain graphs for two materials A and B are shown in the figure.  The graphs are to the same scale. (i)  Which material has greater Young's modulus? (ii)  Which material is more ductile? (iii)  Which is more brittle? (iv)  Which of the two is the stronger material?  

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

What do you mean by normal stress?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

What do you mean by stress?  Is it scalar or vector?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

What is elastic fatigue?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - Mechanical Properties of Solids

What is a perfectly plastic body?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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