Jamb Physics 2019 Past Questions and Answers

Question 101:

• JAMB 2019

In Sunlight, a blue flower looks blue because we see the flower by the light it

A. Receives from our eyes
B. Disperses
C. Absorbed
D. Reflect

Question 102:

• JAMB 2019

A body moves in SHM between two point 20m on the straight line Joining the points. If the angular speed of the body is 5 rad/s. Calculate its speed when it is 6m from the center of the motion.

A. 20 m/s
B. 30 m/s
C. 40 m/s
D. 50 m/s

Question 103:

• JAMB 2019

The diagram shows a uniform meter rule AB which balances horizontally at the 90cm mark when a mass of 0.2kg is suspended from B. Calculate the mass of the meter rule.

A. 0.05kg
B. 0.20kg
C. 0.80kg
D. 1.00kg

Question 104:

• JAMB 2019

The equilibrium position of objects in any field corresponds to situation of

A. Equipotential energy
B. Maximum potential energy
C. Minimum potential energy
D. Maximum kinetic energy

Question 105:

• JAMB 2019

The height at which the atmosphere cases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is
(ρm = 13.6g/cm\(^3\) ρ = 0.00013g/cm\(^3\) )

A. 380mmHg
B. 570mmHg
C. 190mmHg
D. 480mmHg