Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. OAU
  4. /
  5. Physics
  6. /
  7. 2014/2015
  8. /
  9. Q13
Question 13

A boy preparing to have his bath mixed 50 kg of water at a temperature of 80°C with 70kg of water at a temperature of 20°C. What is the temperature of the water mixture?

  • A.45°C
  • B.75°C
  • C.65°C
  • D.35°C
Objective

Question details

Exam body
OAU
Subject
Physics
Year
2014/2015
Question no.
#13
Type
Objective
Previous · Q12Which of the following is true about melting point of a liquid? Next · Q14 Which of the following is not a property of sound wave?

More from this paper

  • Q9The resistance of a platinum resistance thermometer is 160.5Ω at steam point…
  • Q10The wall separating a Bakery Oven and its environment is of height, 10m…
  • Q11Which of the following is not an application of expansion of solids?
  • Q15A pin at the bottom of a beaker filled with water appeared to be elevated when…
  • Q16A boy stands at a distance, x from a wall. When he shouted, the echo was heard 2…
  • Q17Ina 60°prism of refractive index, 1.5, calculate the angle of minimum deviation…
See all Physics 2014/2015 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy