Jamb Physics 2012 Past Questions and Answers

Question 1:

• JAMB 2012

The inner diameter of a test tube can be measured accurately using a

A. Micrometer screw guage
B. Pair of dividers
C. Metre rule
D. Pair of vernier calipers

Question 2:

• JAMB 2012

The inner diameter of a test tube can be measured accurately using a

A. Micrometer screw guage
B. Pair of dividers
C. Metre rule
D. Pair of vernier calipers

Question 3:

• JAMB 2012

Two bodies have masses in the ratio 3:1. They experience forces which impart to them acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced.

A. 1 : 4
B. 2 : 1
C. 2 : 3
D. 2 : 5

Question 4:

• JAMB 2012

Particles of mass 10^-2kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad-1. If the radius of the blade is 0.2m, the centripetal force is

A. 2 N
B. 20 N
C. 200 N
D. 400 N

Question 5:

• JAMB 2012

A lead bullet of mass 0.05kg is fired with a velocity of 200ms\(^{-1}\) into a lead block of mass 0.95kg. Given that the lead block can move freely, the final kinetic energy after impact is

A. 50 J
B. 100 J
C. 150 J
D. 200 J