2017 WAEC SSCE Physics Past Questions

2017

The diagram above illustrates a wave setup between two fixed ends 4.0m apart. If the speed of the wave is 1.0\(ms^{-1}\), its wavelength and frequency respectively are

2017

A ray of light incident at an angle \(\theta\) in a rectangular prism grazes the surface of the prism on emerging from the prism. Determine the value of the angle. [Absolute refractive index of the material of the prism…

2017

Plane waves through a narrow gap emerge as circular waves. This phenomenon is known as

2017

Consider the wave equation: \(y = 10sin(x - 50t)\), What does the number 10 represent?

2017

Which of the following statements about the 3rd overtone of a vibrating air column of an open pipe is correct? It has

2017

A rainbow is formed when sunlight is incident on water droplets suspended in the air due to

2017

The diagram above illustrates two waves of equal amplitudes A and frequencies approaching each other. When the two waves meet at a point I midway between them, the vertical displacement of the resulting wave will be

2017

A vapour whose molecules are in dynamic equilibrium with those of its own liquid is said to be

2017

The maximum density of water occurs at a temperature of

2017

Thermal energy added or removed from a substance that changes the state of the substance is called

2017

A motor of a corn mill machine operates on electrical energy of \(1.44 \times 10^{5}\)J. If one-quarter of the energy is wasted on sound and heat, determine the efficiency of the machine.

2017

Which of the following devices converts light energy to electrical energy?

2017

The diagram above illustrates a beaker of water being heated. It is observed that as the bubbles rise they get bigger in size.The reason for this observation is

2017

A plane is inclined at an angle \(\theta\) to the horizontal. Its velocity ratio is

2017

Ice of mass 50g at 0°C was completely melted by 70% of the total heat energy supplied. Calculate the total heat energy supplied [Specific latent heat of fusion of ice = 336\(Jg^{-1}\)]

2017

Which of the following graphs correctly represents the relationship between the kinetic energy (K.E) and the displacement (d) from point of release of a swinging pendulum bob?

2017

A body can undergo the following types of motion except

2017

The angle at which a projectile must be fired to cover maximum range is

2017

A motorist travelling at 72\(kmh^{-1}\) had his eyes shut for 0.4s during a hard sneeze. Calculate the distance covered by him during this time interval.

2017

A body is whirled round a circular path at constant speed. Which of the following diagrams correctly indicates the direction of the body's velocity (v) and its acceleration (a)?

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