UI Post UTME Physics Past Questions

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Water has an anomalous behavior between 0\(^{\circ}\) and 4\(^{\circ}\)C. Which of the following is correct?

The temperature in an electric iron is regulated by

The pressure exerted by a given mass of gas in a container

The lower and upper fixed points on a thermometer are 40 and 120 respectively. Its reading at 60\(^{\circ}\)C is

The ice and steam points of a local liquid in glass thermometer are 10a and 90a respectively. What will the thermometer read when the temperature is 30\(^{\circ}\)C?

The boiling point of water does not depend on

On a cold day, a good conductor X feels colder to the torch than a poor conductor Y because

How many atmospheres of pressure must a litre of gas, initially at a pressure of 1 atmosphere and temperature -20\(^{\circ}\)C, be after it has been compressed to \(\frac{1}{2}\) litre at 40\(^{\circ}\)C?

Heat supplied or removed from a system which causes a change of state without a change in temperature is

Heat can be transferred from one end of a metal rod in contact with heat to the other end which is in contact with heat through

Complete the following statement: Bimetallic strips used as adjustable switches in electric appliances consist of metal strips that must have different

Complete the following statement: A temperature decrease of 30\(^{\circ}\)C is equal to a temperature decrease of

A volatile liquid used for cooling purpose in refrigerator is

A sample of a monatomic ideal gas is originally at 20\(^{\circ}\)C. What is the final temperature of the gas if both the pressure and volume are doubled?

A piece of copper wire of length 100 cm at 30\(^{\circ}\)C is heated to 120\(^{\circ}\)C. If its linear expansivity is 1.8 \(\times\) 10\(^{-4}\)/k, its new length is

A little sag is left in overhead telephone wires

A black car can be more uncomfortably hot on a warm day than a white car because

If C is the thermal capacity of a material of mass m and S is its specific heat capacity, then

Which one of the following situations is not possible?

Which of the units of the following physical quantities are derived? I. Area II. Thrust III. Pressure IV. Mass.

2 3 4 5 6

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