Post-UTME Physics 2015 Objective — Question 17
Question 17 of 20 from the Post-UTME Screening (Post-UTME) Physics 2015 Objective paper, with the correct answer and a full explanation.
Advertisement
The upper and lower fixed points on a certain thermometer are marked 155 and -5 respectively. Which mark on the thermometer corresponds to 80C?
- A. 125.0
- B. 123.0Correct
- C. 9.7
- D. 2.6
Explanation
Reading = lower + (80/100) x (upper - lower) = -5 + 0.8x160 = -5+128 = 123.0.
Advertisement
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.