1993 WAEC SSCE Physics Past Questions

1993

The images formed by diverging lenses are always

1993

Three identical lamps each power 100W are connected in parallel across a potential difference of 250V. Calculate the current in the circuit

1993

The unit of inductance is the

1993

Which of the following is a derived unit?

1993

A short chain is usual attached to the back of a petrol tanker trailing behind it to ensure that the

1993

Which of the following instruments can be used to compare the relative magnitudes of charges on two given bodies?

1993

Which of the following are contact forces? I. Force of tension II. Force of fiction, III. Magnetic force III Force of reaction.

1993

lf the temperature of a small quantity of water in a closed container is gradually increased from 0o to 40oC then the density of the water within this range

1993

The following properties of a solid are measured on earth i. weight ii. specific heat capacity iii. density. Which of the properties will hav a different value if measured in space?

1993

Which of the following is not an example of a force?

1993

A body of mass m = 0.5 kg is suspended by a string and pulled by a horizontal force of 1g N as shown in the 12N diagram: Calculate the tension T in the String if the body is in equilibrium. [Take g as 10ms-1]

1993

A body of mass M1 moving with a velocity U collides with a stationary body of mass M2 and both move with a common velocity V lf linear momentum is conserved, which of the following expressions correctly represents V?

1993

A body timed 20 oscillations of a certain pendulum three times and obtained 44.3s, 45.5s and 45.7s respectively. Calculate the mean period of oscillation of the pendulum

1993

How far will a body move in 4 seconds if uniformly accelerated from rest at the rate of 2 ms-2?

1993

An object is projected with a velocity of 100 ms-1 from the ground level at an angle 0 to the vertical. If the total time of flight of the projectile is 10 s, calculate θ. (g = 10 ms-2).

1993

A block of material of volume 2 X 1O-5m3 and density 2.5 x 10-3 kgm-3 is suspended from a spring balance with half volume of the block immersed in water. What is the reading of the spring balance? (Density of water =1.0x…

1993

A particle starts from rest and moves with a constant acceleration of 0.5 ms-2? Calculate the time taken by the particle to cover a distance of 25m.

1993

Longitudinal waves cannot be

1993

Which of the following are correct of plane- polarized light? I. Plane polarization of light is the formation of hydrogen bubbles on the particles of light. II. Plane polarization of light is the splitting of light into…

1993

A gas has a volume of 546 cm3 at OoC. What is the volume of the gas at- 100oC if its pressure remains constant?

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