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[" The design of a physical instrument requires that there be a constant difference in length of "10cm],[" between an iron rod a copper cylinder laid side by side at all temperatures.If "alpha_(Fe)=11times10^(-60)C^(-1)],[" and "alpha_(alpha u)=17times10^(-6)C^(-1)" ,their lengths are "],[[" (a) "28.3cm,18.3cm," (b) "23.8cm,13.8cm," (c) "23.9cm,13.9cm," (d) "27.5cm,17.5]]

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The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod and a copper cylinder laid side by side at all temperature find their lengths (alpha_(Fe)=11 xx 10^(6).^(@)C^(-1),alpha_(Cu)=17 xx 10^(-6) .^(@)C^(-1))

The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod and a copper cylinder laid side by side at all temperature find their lengths (alpha_(Fe)=11 xx 10^(6).^(@)C^(-1),alpha_(Cu)=17 xx 10^(-6) .^(@)C^(-1))

The difference in lengths of an iron and a copper rod, both at 50^(@)C " and " 450^(@)C , is 2 cm. What are the lengths of the two rods at 0^(@)C ? [Given, alpha_(Fe)=12 times 10^(-6@)C^(-1) " and " alpha_(Cu)=17 times 10^(-6@)C^(-1) ]

The length of the steel rod which would have the same difference in length with a copper rod of length 24cm at all temperatures. (alpha_("copper") = 18 xx 10^(-6) K^(-1) alpha_("steel") = 12 xx 10^(-6) k^(-1)) is -

What must be the lengths of steel and copper rods at 0^(@)C for the difference in their lengths to be 10 cm at any common temperature? (alpha_(steel)=1.2xx10^(-5).^(@)K^(-1)and alpha_("copper")=1.8xx10^(-5).^(@)K^(-1))

What must be the lengths of steel and copper rods at 0^(@)C for the difference in their lengths to be 10 cm at any common temperature? (alpha_(steel)=1.2xx10^(-5).^(@)K^(-1)and alpha_("copper")=1.8xx10^(-5).^(@)K^(-1))

What should be the length of steel and copper rods at 0^(@)C that the length of steel rod is 5 cm longer than copper at all termperature? Given alpha_(Cu) = 1.7 xx 10^(5) .^(@)C^(-1) and alpha_(steel) = 1.1 xx 10^(5) .^(@)C^(-1) .

What should be the length of steel and copper rods at 0^(@)C that the length of steel rod is 5 cm longer than copper at all termperature? Given alpha_(Cu) = 1.7 xx 10^(5) .^(@)C^(-1) and alpha_(steel) = 1.1 xx 10^(5) .^(@)C^(-1) .

The difference in lengths of two metal rods A and B is 40 cm at all temperatures. Calculate the lengths of the two rods if alpha of A = 12xx10^(-6)//^@C and alpha of B= 18xx10^(-6)//^@C .