2019 - JAMB Physics Past Questions and Answers - page 10
The volume of a stone having an irregular shape can be determined using?
meter rule
measuring cylinder
vernier calliper
micrometer screw gauge
In Sunlight, a blue flower looks blue because we see the flower by the light it
receives from our eyes
disperses
absorbed
reflect
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.
20 m/s
30 m/s
40 m/s
50 m/s
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.
0.05kg
0.20kg
0.80kg
1.00kg
The equilibrium position of objects in any field corresponds to situation of
equipotential energy
maximum potential energy
minimum potential energy
maximum kinetic energy
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
380mmHg
570mmHg
190mmHg
480mmHg
A cone is in unstable equilibrium has its potential energy
decreased
increased
unchanged
oscillating
A mass of 0.5kg is whirled in a vertical circle of radius 2m at a steady rate of 2 rev/s. Calculate the centripetal force
164N
160N
158N
172N
A body was slightly displaced from its equilibrium position. Which one of the following is a condition for its stable equilibrium
an increase in the kinetic energy of the body
an increase in the potential energy of the body
an increase in the potential energy of the body
an increase in the height of the body
Which of the following readings cannot be determined with a meter rule?
2.56cm
2.25cm
2.50cm
2.05cm