2024
A non-conducting vessel contains a liquid of mass 70 g at 25º C. Another 70.0g of the same liquid at 35ºC is quickly poured into the vessel. Determine the final temperature of the mixture
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2024 WAEC SSCE Physics Past Questions
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2024
The maximum displacement of particles from equilibrium position in a wave motion is known as
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2024
Four pieces of constantan wire, marked E, F, G, and H, each of length 1.0m, are at the temperature. Their respective diameters are 1 mm, 2 mm, 6 mm, and 10 mm. Which wire has the highest resistance?
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2024
The correct sequence of ionization power of alpha particle, gamma ray, and beta particle respectively is
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2024
Which of the following modes is the most economical method of transmitting electrical power over a long distance?
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2024
The phenomenon used for explaining the formation of a rainbow in the sky is
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2024
The main difference between X-rays and gamma rays is in their
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2024
Atmospheric pressure decreases with an increase in altitude because:
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2024
Which of the following statements about a projectile is not correct?
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2024
The inside portion of a hollow metal sphere of diameter 20 cm is polished. The portion will therefore form a
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2024
In which of the following devices is the thermal expansion considered a disadvantage?
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2024
A capacitor described as a mica capacitor has
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2024
Which of the following terms has different dimension from the others?
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2024
The depolarizing agent in a Leclanché cell is
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2024
A boy of mass 40 kg jumps off a stationary skateboard and moves horizontally with a speed of 1.5 m/s while the skateboard moves in the opposite direction with a speed of 20 m/s. Calculate the mass of the skateboard.
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2024
The diagram above illustrates two boxes P and Q of masses 27.3 kg and 6.2 kg respectively on a smooth horizontal surface. If a force F of 150 N is applied to the combined forces, calculate the acceleration.
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2024
An object 2.0 cm high is placed at the radius of curvature of a concave mirror such that it is perpendicular to the principal axis of the mirror. Determine the height of the image.
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2024
Light of energy 1.12 x 10\(^{-18}\) J is incident on a metal of ejected electrons with maximum energy of 8.0 x 10\(^{-19}\)J. Calculate the threshold frequency of the metal. [h = 6.626 x 10\(^{-34}\)Js]
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2024
A body of mass, m is projected vertically upward with a velocity, y. At what position will the potential energy be maximum?
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2024
A 2 μF capacitor is connected directly across a 150 V\(_{rms}\), 60 Hz A.C source. Calculate the r m s value of the current.
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