1988 JAMB UTME Physics Past Questions

1988

A spectrum of sunlight is said to be impure when

1988

Which of the following statement is TRUE of ultraviolet, visible and infra-red rays?

1988

When white light is dispersed by a spectrometer, the component having the shortest wavelength is

1988

Which of the following phenomena explains the formation of a mirage? i. Reflection ii. Refraction iii. Diffraction

1988

A dynamo primarily combines

1988

The principle of operation of an induction coil is based on

1988

Which of the following ammeters may be used to measure alternating currents? i. moving-coil ammeter ii. moving-iron ammeter iii. hot-wire ammeter

1988

A household refrigerator is rated 200 watts. If electricity costs 5k per kWh, what is the cost of operating it in 20 days?

1988

When a resistance R is across a cell, the voltage across the terminals of the cell is reduced to two-third of its normal value. The internal resistance of the cell is

1988

Which of the following symbolic representations is correct for an atom X with 22 electrons and 43 neutrons?

1988

In a certain fusion reaction, a deuteron (\(^{2}_{1}H\)) interacts with a triton (\(^{3}_{1}He\)) and produces an a-particle (\(^{4}_{2}He\)) and a second product. The second product is

1988

The temperature at which the water vapour present in the air is just sufficient to saturate it is called the

1988

Which of the following quantities are scalars? i. Electrical potential ii. Torque iii. Momentum iv. Kinetic energy

1988

Two forces whose resultant is 100N, are at right angle to each other. If one of them makes an angle 30o with the resultant, determine its magnitude.

1988

A lorry travels 10km northwards, 4km eastwards, 6km southwards, 4km westwards to arrive at a point T. What is the total displacement?

1988

Which of the following are the correct SI units of the quantities indicated? i.N(Force) II. Mn-1 (Torque) iii. watt(Power) iv. kgms-2

1988

A force, 10N, drags a mass 10kg on a horizontal table with an acceleration of 0.2ms. If the acceleration due to gravity is 10ms-1, the coefficient of friction between the moving mass and the table is

1988

When one arm of a U-tube manometer is connected to a gas supply, the levels of mercury in the two arms of the U-tube is shown in the figure above, if the atmospheric pressure is 76.0cm hg, the gas pressure is

1988

The figure above shows three different ways of hanging a heavy picture from a hook. the tension in the string will be

1988

The figure above shows displacement-time graphs for three different motions. which of the following statements is correct

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