1982 JAMB UTME Physics Past Questions

1982

Before starting a journey, the tyre pressure of a car was 3 x 105Nm-2 at 27oC. At the end of the journey, the pressure rose to 4 x 105Nm-2. Calculate the temperature of the tyre after the journey, assuming the volume is…

1982

The speed of light in a Hg in the morning at a temperature of 27oC. Hard driving in the afternoon raised the temperature of the tyres by 57oC. The tyre pressure had by the afternoon was

1982

When equal weights of iron and water are subjected to equal supply of heat, it is found that the piece of iron become more hotter than water after a short time because

1982

One of the following readings represents the measurement of the length of a metal rod using vernier callipers, Taking the reading accuracy into consideration, the most likely one is

1982

A man stands on a spring scale placed in a lift. The lift descends at constant velocity. As a result, the scale reads a weight

1982

The hatch door of a submarine has an area of 0.5m2. The specific gravity of sea water is 1.03. Assume that g = 10ms-1,and neglect the atmospheric pressure. The force exerted by the sea water on the hatch door at a depth…

1982

Which of the following machines does NOT apply the lever principle?

1982

A mango fruit drops from a branch 10m above the ground, just before hitting the ground its velocity is (g = 10ms-2)

1982

The force responsible for holding the moon in its orbit around the earth against the gravitational pull of the earth is

1982

An electric iron is rated at 1000watts, 250v. The corresponding maximum resistance and accompanying current is

1982

The echo of a sounder from the bottom of an ocean is heard 2.5 seconds later. If the speed of sound in water is 1,400ms-1, the depth of the ocean is

1982

The combination of sound waves with different frequencies is known as

1982

An object 15cm high is 30cm from pin-hole camera. If the height of the image formed at the back of the camera is 10cm, the image distance is

1982

250g of lead at 170oC is dropped into 100g of water at 0oC. If the final temperature is 12oC, the specific heat of lead is (specific heat of water is 4,200J/kgoC)

1982

Which of the following statements is NOT true? Thermostats are used to control the temperature of

1982

The accurate measurement of the relative density of substances in powder or granular form can be done using a beam balance and a

1982

As a positively charge rod is brought nearer to the top cap of a positively charged gold leaf electroscope, the divergence of the leaves will

1982

In copper plating, a current of 0.5A is allowed for cathode area of 100cm2. If this current is maintained constant for 100 minutes, the thickness of the copper deposited will be approximately (the electrochemical equival…

1982

If the refractive index of a medium is V2, what is the critical angle?

1982

A rod of length 10cm is heated through 100oC and its final length is 10.26cm. What is the co-efficient of linear expansion of the rod?

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