Home
Class 11
PHYSICS
A wire 100cm long is bent into an arc of...

A wire 100cm long is bent into an arc of a circle with a gap of 2cm at 0°C. On heating to 80°C, the gap is 2.02cm. The linear coefficient of expansion of the material of the wire is (A) 0.0000025/K (B) 0.0000125/K (C) 0.000125/K (D) 0.0125/K

Promotional Banner

Similar Questions

Explore conceptually related problems

A wire of length 60 cm is bent to into a circle with a gap of 1 cm . At its ends, on heating it by 100^(0)C , the length of the gap increases to 1.02 cm . alpha of materials of wire is

A wire of length 100cm increases in length by 10^(-2)m when it is heated through 100^(@)C . The coefficient of linear expansion of the material of the wire exprassed in //K units is

A metre rod of silver at 0^(@)C is heated to 100^(@)C . It's length is increased by 0.19 cm. coefficient of volume expansion of the silver rod is

A metal rod of silver at 0^(@)C is heated to 100^(@)C . It's length is increased by 0.19 cm . Coefficient of cubical expansion of the silver rod is

A sheet of brass is 40 cm long and 8 cm broad at 0^(@)C . If the area at 100^(@)C is 320.1m^(2) , calculate the coefficient of linear expansion of brass.

The density of a liquid at 100^(@)C is 8.0g//cm^(3) and at 0^(@)C is 8.4g//cm^(3) , the coefficient of cubical expansion of the liquid is

A metal cube of length of 10.0 mm at 0^(@)C is heated to 200^(@)C . Given: its coefficient of linear expansion is 2xx10^(-5)K^(-1) . The percent change of its volume is

A metal half 11cm in radius is beated from 10^(@)C to 80^(@)C calculate the increase in surface area of the hall given coefficient of linear expansion of metal hall is 0.000017k^(-1)

A wire 100cm long and 2.0mm diameter has a resistance of 0.7 ohm , the electrical resistivity of the material is