Question

Choose the correct option from the given alternatives:

If the surrounding air is kept at 20° C and a body cools from 80° C to 70° C in 5 minutes, the temperature of the body after 15 minutes will be

Options

• 51.7° C

• 54.7° C

• 52.7° C

• 50.7° C

Answer 1

54.7° C