1. The motion of the prongs of a sounding tuning fork is

2. In which of the following activities is an induction coil not useful? WAEC 2018 Q43

3. Which of the following electromagnetic waves is most energetic? WAEC 2018 Q20

4. Which of the following is not a vector quantity?

1989, Q1

5. When a cylinder rolls down an inclined plane, it has one or more of the following types of motion:

I. Oscillatory

II. Random

III. Rotational

IV. Translational

6. A stone tied to a string is made to revolve in a horizontal circle of radius 4 m with an angular speed for 2 radii per second. With what tangential velocity will the stone move off the circle if the string cuts?

1989, Q10

7. A loaded test tube in water is carefully and slightly depressed and then released. Which of the following best describes the subsequent motion of the test tube?

8. When the speed of a car is halved, its kinetic energy is — WAEC 2018 Q34

9. Which of the units of the following physical quantities are derived? I. Area II. Thrust III. Pressure IV Mass

1988, Q1

10. Which of the following statements about parallel plate capacitors is/are correct?

I. Capacitance of the capacitor  is inversely proportional to the distance between the plates

II. Capacitors can filter a.c signals from d.c

III. Capacitors can store charges WAEC 2018 Q40