2020
Which of the following statement about viscosity is not true? it
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2020 WAEC SSCE Physics Past Questions
2020
When two cells of negligible internal resistances and equal e.m.f. denoted by E\(_1\)and E\(_2\) are connected in parallel, combined e.m.f. E is given by
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2020
In photoelectric effect, the number of electrodeemitted per second from a metallic surface is proportional to the
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2020
The vacuum between the double walls of a thermos flask reduces heat loss through
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2020
Which of the following units is not fundamental?
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2020
A luminous object is one that
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2020
Which of the following actions would increase the electric force between two positively charged particles?
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2020
A diver steps off a diving platform that is 10m above the water. If there is no air resistance during the fall, there will be a decrease in the diver's
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2020
Which of the following statements about the process of melting of a solid are true? The temperature of the solid willI. remain steady until melting starts.ll. keep rising until melting starts,Ill remain steady as melting…
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2020
An electron of mass 9.1x 10\(^{31}\) kg is travelling at a speed of 2.0 x 10\(^6\)ms\(^{-1}\).Calculate the associate wavelength of the electron. [h = 6.6. x 10\(^{34}\) Js]
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2020
A ray of light travels obliquely from a less dense medium to a denser medium. Which of the following statements is true about the light?
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2020
An a.c. generator can be converted to a d.c. electric motor by replacing the
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2020
Water waves have a wavelength of 3.6cm and speed of 18cms\(^{-1 }\) in deep water. If the waves enter shallow water with wavelength of 2.0cm, calculate the speed of the waves in the shallow water.
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2020
Which of the following statements correctly explains why a total solar eclipse would be seen by people on only a small portion of the earth's surface? The
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2020
In an electric circuit, an inductor of inductance 0.5 H and resistance 50\(\Omega\) is connected to an alternating current source of frequency 60 Hz. Calculate the impedance of the circuit.
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2020
In the hydraulic press, the force F applied is related to the diameter d of the cylinder by
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2020
The sketched graph above illustrates the heating curve of a 0.02kg of water. Determine the approximate value of the specific latent heat of vapourization of water
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2020
Which of the following statements about photoelectrons is correct?
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2020
An electron of mass m and charge e moves in a circular path in a magnetic field of flux density B. How long does it take to complete one orbit?
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2020
Which of the following statements about the motion of a simple pendulum is true?
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