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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.
The material used to slow down the neutrons in a nuclear reactor is
The depolarising agent in a Leclanche cell is?
Which of the following waves requires a material medium for its propagation?
The average distance moved by a molecule between collisions is called
Which of the following machines does not apply the lever principle?
How would the capacitance of a parallel plate capacitor be affected if the distance of separation of its plates is decreased? It will
An image formed on a screen is always?
The volume of a fixed mass of a gas varies inversely as the pressure on it provided the temperature is constant. This statement is
The quantity of motion of a body is its
In collision between two objects, kinetic energy is conserved only if
A substance has half of 3 min. After 6 min, the count rate was observed to be 400. What was its count rate at zero time?
Which of the following pairs is part of the electromagnetic spectrum?
I. Radio waves
II. sound waves
III. Gamma rays
IV. water waves
In which of the following diagrams is the length of the tube equal to one wavelength?
Which of the following instruments consumes the highest current?
|
I. Electric iron II. Television set III. Torchlight IV. Immersion heater |
250v 220v 6v 110v |
1kW 110W 30W 500W |
In the figure, the value of R is
In an experiment in which molten naphthalene is allowed to cool, the cooling curve i n the figure was obtained. The temperature 80\(^o\)C is known as the
The fiqure above represents a block-and-tackle pulley system on which an effort of W Newtons supports a load of 120.0N. If the efficiency of the machine is 40\(^o\), then the value of W is
Two divers G and H are at depths 20m and 40m, respectively below the water surface in a lake. The pressure on G is p\(_1\) while the pressure on H is P\(_2\), If the atmospheric pressure is equivalent to 10m of water, then the value of P\(_2\)/P\(_1\) is?
Heat is supplied uniformly at the rate of 100W to 1.0 x 10\(^{-2}\)kg of a liquid for 20 seconds. If the temperature of the liquid rises by 5\(^o\)C, then the specific heat capacity of the liquid is
The lower and upper fixed points marked on a Mercury-in-glass thermometer are 210mm apart. The end of the mercury column in the tube is 49mm above the lower fixed point in a room. What is the temperature of the room in degrees Celsius?