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[" 9.A rod of length "1000mm" and coeffi...

[" 9.A rod of length "1000mm" and coefficient of linear expansion "alpha=10^(-4)" per degree celsius is placed "],[" in horizontal smooth surface symmetrically between fixed walls separated by "1001mm" .The "],[" Young's modulus of rod is "10^(11)N/m^(2)" .If the temperature is increased by "20^(@)C" ,then the stress "],[" developed in the rod is "10N/m^(2)" .If the temperature is increased by "20^(@)C" ,then the stress "],[[" (a) "10^(5)," (b) "10^(8)],[" (c) "10^(7)," (d) "10^(6)]]

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A rod of length 1000 mm and co-efficient of linear expansion alpha = 10^(-4) per degree Celsius is placed in horizontal smooth surface symmetrically between fixed walls separated by 1001 mm . The young's modulus of rod is 10^(11)N//m^(2) . If the temperature is increased by 20^@C , then the stress developed in the rod is (in N//m^(2) )

A rod of length 1000 mm and co-efficient of linear expansion alpha = 10^(-4) per degree celsius is placed in horizontal smooth surface symmetrically between fixed walls separated by 1001 mm . The young's modulus of rod is 10^(11)N//m^(2) . If the temperature is increased by 20^@C , then the stress developed in the rod is (in N//m^(2) )

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