A metallic sphere cools from to in 300 s

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A metallic sphere cools from

50^{\circ}\text{C}

40^{\circ}\text{C}

in 300 s. If atmospheric temperature around is

20^{\circ}\text{C}

, then the sphere's temperature after the next 5 minutes will be close to : (1)

31^{\circ}\text{C}

(2)

33^{\circ}\text{C}

(3)

28^{\circ}\text{C}

(4)

35^{\circ}\text{C}