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 60 cm is bent into a circle with a gap of 1 cm at its ends. On heating it by 100^(@)C , the length of the gap increases to 1.02 cm. alpha of material of wire is

A wire of length 36 cm is bent in the form of a semicircle. What is the radius of the semicircle?

A uniform wire of length 6.28cm is bent in the form of a circle. The shift in its centre of mass is

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 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

A wire of length 44 cm is bent into an arc of a circle of radius 12 cm. The angle (in degrees) subtended by the arc at the centre of the circle is