Free account: track your progress — Sign up free

Post-UTME Physics 2018 Objective — Question 1

Question 1 of 20 from the Post-UTME Screening (Post-UTME) Physics 2018 Objective paper, with the correct answer and a full explanation.

Heat radiation occurs most rapidly from a surface which is

A. shining and black
B. white and clear
C. white and black
D. dull and blackCorrect

Explanation

Dull, black surfaces are the best emitters (and absorbers) of thermal radiation.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Physics 2018 Objective More Physics past papers