1983 JAMB UTME Physics Past Questions

1983

A 24V potential difference is applied across a parallel combination of four 6-ohms resistor, The current in each resistor is

1983

The linear expansivity of brass is 2 x 10-5oC-1. If the volume of a piece of brass is 10cm3 at 0oC, what will be its volume at 100oC?

1983

Which of the following statements is CORRECT? i. the mass number is equal to the total number of protons and electrons in an atom. ii. the atomic number is equal to the number of protons in an atom. iii. the number of el…

1983

The total length of a spring when a mass of 20g is hung from its end is 14cm, while its total length is 16cm when a mass of 30g is hung from the same end. Calculate the unstretched length of the spring assuming Hooke's l…

1983

1,000 identical drops of oil of density 500kgm-3 have a total mass of 5 x 10-4kg. One of the drops forms a thin film of area 0.5m2 on water. The thickness of the film is

1983

a force of 16N applied 4.0kg block that is at rest on a smooth, horizontal surface. What is the velocity of the block at t = 5 seconds?

1983

Of the following derived units, the one that is not a unit of power is

1983

The difference of potential between the terminals of cells is 2.2 volts. When a 4ohm resistor is connected across the terminals of this cells, the potential difference is 2 volts. What is the internal resistance of the c…

1983

An electric current of 3Aflowing through an electric heating elements of resistance 20 embedded in 1,000g of an oil raises the temperature of the oil by 10oC in 10 seconds then the specific heat capacity of the oil is

1983

If the normal atmospheric pressure in a laboratory supports a column of mercury 0.76m high and the relative density of mercury is 13.8, then the height of water column which atmospheric pressure will support in the same…

1983

A machine has a velocity ratio of 5. It requires a 50kg weight to overcome a 200kg weight. The efficiency is

1983

A short response to time is obtained in liquid-in-glass thermometer when the

1983

Longitudinal waves do not exhibit

1983

The specific latent heat of vaporization of a substance is always

1983

If the force of a charge of 0.2 coulomb in an electric field is 4N, then the electric field intensity of the field is

1983

The speed of light in vacuum is 3.0 x 108ms-1. If the refractive index of a transparent liquid is \(\frac{4}{3}\), then the speed of light in the liquid is

1983

Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?

1983

Which of the following may be used to determine the relative humidity in a physics laboratory I. ManometerII. Wet-and-Dry Bulb HygrometerIII. Hair HygrometerIV. A Hydrometer

1983

The image above shows an inverted U-tube with the open end, O of one limb below the level, W of water in the tank, in order that water should begin to flow from the tank it is is necessary that

1983

PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at \( 45^{\circ}C\) to the horizontal as shown above. The image of PQ as seen in the mirror by the eye T is

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