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Create and set up a CBT environment with your preferred subjects.
Practice JAMB CBT with real UTME past questions in CBT format.
CB-WASSCE styled past question practice.
SSCE & GCE styled past question practice.
Which of the following statement about viscosity is not true? it
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
In photoelectric effect, the number of electrode emitted per second from a metallic surface is proportional to the
The vacuum between the double walls of a thermos flask reduces heat loss through
Which of the following units is not fundamental?
A luminous object is one that
Which of the following actions would increase the electric force between two positively charged particles?
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
Which of the following statements about the process of melting of a solid are true? The temperature of the solid will
I. remain steady until melting starts.
ll. keep rising until melting starts,
Ill remain steady as melting proceeds.
V, keep rising as melting proceeds.
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]
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?
An a.c. generator can be converted to a d.c. electric motor by replacing the
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.
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
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.
In the hydraulic press, the force F applied is related to the diameter d of the cylinder by
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
Which of the following statements about photoelectrons is correct?
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?
Which of the following statements about the motion of a simple pendulum is true?