Jamb Physics 2017 Past Questions and Answers

Question 11:

• JAMB 2017

Which of the following statements is NOT correct?

A. Molecules of a liquid are stationary
B. Brownian motion is an evidence of particle nature of matter
C. Matter is made up of molecules
D. The molecules of matter are in constant motion

Question 12:

• JAMB 2017

A block and tackle pulley arrangement has 6 pulleys in which an effort of 50N supports a load of 200N, calculate the efficiency of the machine

A. 80.0%
B. 76.6%
C. 66.7%
D. 60.7%

Question 13:

• JAMB 2017

Three 3ω resistance are connected in parallel what is the equivalent resistance?

A. 1ω
B. 9ω
C. 3ω
D. 0.33ω

Question 14:

• JAMB 2017

Which of the following instruments helps to maintain the correct humidity and temperature of a building?

A. A compressor
B. A refrigerator
C. Air blower
D. Air conditioner

Question 15:

• JAMB 2017

An element and its isotope only differ in the number of

A. Protons
B. Electrons
C. Ions
D. Neutrons