Question

Sunlight can raise the inside temperature of a real doghouse. Which of the following changes to a real doghouse would result in warmer inside temperatures due to sunlight?

A) Covering the doghouse roof with a shiny metal material
B) Making the doghouse roof thicker with the same material
C) Adding a air vent to the middle of the doghouse roof
D) Changing the doghouse roof from a light color to a dark color

Answer 1

The answer is the last choice, changing the doghouse roof from a light color to a dark color

Answer 2

Dark color has greater coefficient of absorptance or absorbing power than shiny color or material. Substances or materials with greater absorbing power are good at absorbing radiations. Thus, option D is correct.