1988 JAMB UTME Physics Past Questions

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1988

How long will it take a 60kg man to climb a height of 22m if he expended energy at a rate of 0.25kW. [g = ms-2]

1988

A 20-toothed gear wheel drives a 60-toothed one. If the angular speed of the smaller wheel is 120 rev s-1, the angular speed of the larger wheel is

1988

A particle starts from rest and moves with a constant acceleration of 0.5ms-2. The distance covered by the particle in 10s is

1988

When taking a penalty kick, a footballer applies a force of 30.0N for a period of 0.05s. if the mass of the ball is 0.075kg, calculate the speed with which the ball moves off.

1988

When heat is applied to one end of a metal rod, the molecules at the other end soon begin to vibrate with greater amplitude than before because heat has been transferred by

1988

A tap supplies water at 25oC while another supplies water at 75oC. If a man wishes to bathe with water at 40oC, the ratio of the mass of cold water to the mass of hot water required is

1988

The amount of heat needed to raise the temperature of 10kg of copper by 1k is its

1988

The product PV where P is pressure and V is volume has the same unit as

1988

A body whose mass is 2kg and has a volume of 500cm just floats when completely immersed in a liquid. Calculate the density of the liquid

1988

Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure iii. Frequency

1988

A note is called an octave of another note when

1988

A piano wire 0.5m long has a total mass of 0.01kg and is stretched with a tension of 800N. Calculate the frequency of the wire when it sounds its fundamental note

1988

Which of the following properties is/are common to all waves? i. Diffraction ii. Refraction iii. Interference

1988

Which of the following media allow the transmission of sound wave through them i. Air. ii. Liquids. iii. Solids.

1988

An object is placed 10cm in front of a concave mirror of focal length 15cm. What is the position and nature of the image formed?

1988

To obtain a magnification of 2.5, how far should an object be placed from the pole of a thin converging lens of focal length 10.20m?

1988

Two strings of the same length and under the same tension gives notes of frequencies in the ratio 4 : 1. The masses of the strings are in the corresponding ratio of

1988

A slight loading of a tuning fork has the effect of

1988

The speed of sound in air at sea-level is 340ms-1 while that of light is 300 000kms-1. How far (to the nearest meter) from the center of a thunderstorm is an observer who hears a thunder 2s after a lightening flash?

1988

A cell of internal resistance 2 ohms supplies current to a 6 ohms resistor. The efficiency of the cell is

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