2025 WAEC (WASSCE) Physics Past Questions

If a germinating seed is attached horizontally to a revolving klinostat, what would be the effect on the seedling after three days? The

1. A.plumule will curve vertically upward while the radicle will not show any curvature
2. B.radicle will curve towards the ground while the plumule will not show any curvature.✓ Correct
3. C.plumule and radicle will not show any curvature.
4. D.plumule will curve vertically upwards while the radicle will curve towards the ground

From the words lettered A to D, choose the word that best completes each of the following sentences: Salimata came into............when she won the beauty contest.

1. A.public
2. B.limelight
3. C.focus
4. D.view✓ Correct

Which of the following actions would increase the electric force between two positively charged particles?

1. A.Decreasing the mass of the particles
2. B.Decreasing the distance between the particles
3. C.Increasing the assistance between the particles
4. D.Increasing the mass of the particles✓ Correct

Choose the interpretation that is most appropriate for each sentence. The bus driver smelt a rat when an unregistered vehicle trailed him for several kilometers. This means that the bus driver

1. A.increased his speed
2. B.became nervous
3. C.became suspicious
4. D.alerted the passengers✓ Correct

From the words lettered A to D, choose the word that has the same vowel sound as the one represented by the underlined letter(s). spot

1. A.slot✓ Correct
2. B.sport
3. C.hurt
4. D.glut

From the words or group of words lettered A to D below each of the following sentences, choose the one that is nearest in meaning to the underlined word or group of words as it is used in the sentence. The government has approved a new salary structure as an incentive for workers

1. A.a reward
2. B.an encouragement✓ Correct
3. C.a package
4. D.an advance

The correct sequence of energy transformation in the operation of an x-ray tube is i. X-rays ii. Kinetic energy of thermo electrons iii. Potential energy of the target atoms iv. Heat energy of the emitted electrons

1. A.iv, iii, ii, i
2. B.ii, iv, iii, i
3. C.iv, ii, iii, i✓ Correct
4. D.iii, iv, ii, i

A galvanometer of internal resistance 50$\Omega$ and full scale deflection of 20 mA is converted into a voltmeter by connecting a resistor of resistance 1950$\Omega$ in series to it. Calculate the maximum voltage that can be read by the voltmeter

1. A.20V
2. B.30V✓ Correct
3. C.38V
4. D.40V

A piece of copper of mass 20g at a temperature of 110°C was dropped into a mixture of ice and water at 0°C. If the final steady temperature of the mixture is 0°C . Calculate the amount of ice that melted [Specific heat capacity of copper = 0.4 Jg$^{-1}$K$^{-1}$, specific latent heat of fusion of ice = 330Jg$^{-1}$]

1. A.0.37g
2. B.0.60g
3. C.2.40g✓ Correct
4. D.2.70g

The agency responsible for investigating allegations of maladministration and punishing offending career officers in the executive is the?

1. A.A. federal character commission
2. B.B. ethics commission
3. C.C. judicial commission✓ Correct
4. D.D. public/civil service commission