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CBSE Class 11-science Answered

the length of a wire is 1.2m when stretched by a weight of 4kg and 1.3m when stretched by a weight of 6kg.what is the length of unstretched wire???
Asked by Vishakha Rathod | 01 Jan, 2014, 04:25: PM
answered-by-expert Expert Answer
Answered by | 02 Jan, 2014, 12:24: PM

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CBSE 11-science - Physics
assertion: young modulus for a perfectly plastic body is zero Reason:for a perfectly plastic body restoring. force is zero
Asked by desaipravinbhai63 | 28 Dec, 2023, 07:59: PM
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CBSE 11-science - Physics
Shear strength of steel is 80 GPa. Force required to punch a square hole of side 1 cm in 5 mm thick steel sheet is X MN. Find the value of x
Asked by bhavanamajeti999 | 18 Dec, 2023, 03:33: PM
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CBSE 11-science - Physics
A horizontal rod is supported at both the end sand loaded at the middle. if L is length and Y is young modulus then depression is directly proportional to
Asked by harshitajain5757 | 05 Dec, 2023, 12:45: AM
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CBSE 11-science - Physics
rd full form
Asked by pavank3529 | 19 Jun, 2022, 04:39: PM
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CBSE 11-science - Physics
define hokes law
Asked by ankitkg62880 | 04 Mar, 2022, 10:05: PM
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CBSE 11-science - Physics
10. Sudden cooling is known as
Asked by radhakrishna200329 | 15 Feb, 2022, 09:10: PM
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CBSE 11-science - Physics
Que:- which are the top 5 elastic substances in the world?
Asked by advssdrall | 10 Nov, 2021, 09:01: PM
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CBSE 11-science - Physics
State Hook's law on what factors does the modulus of elasticity of a subtance depend?
Asked by souravkheto234 | 17 Jun, 2021, 12:13: PM
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CBSE 11-science - Physics
 Calculate the change in volume of an iron block 10 cm × 20 cm × 5 cm if its temperature is raised from 10 °C to 40 °C. Given, coefficient of linear expansion of iron =1.2 × 10-5 °C  
Asked by medhavi1615 | 21 May, 2021, 11:32: AM
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CBSE 11-science - Physics
A steel rod of area of cross-section 3.14× 10-4 m2 is stretched by a force of 100kN. Calculate the stress acting on the rod.
Asked by psvishnu888 | 20 Dec, 2020, 11:00: PM
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