2017 FUNAAB Physics Post-UTME

A convex lens of focal length 10.0cm is used to form a real image which is half the size of the object.  How far from the object is the image?

A diverging lens of a focal length 20cm forms an image halve of the size of the object. What is the object distance?

The principle of operation of a coil is based on

A malaria patient has a temperature of 39.5 C. What is the person temperature in K?

The force between the molecules of a liquid in contact with that of a solid is

Combination of the three gas laws is known as?

What is the dimension of pressure?

A body is projected from the earth’s surface with the hope of letting it escape from the earth’s gravitational field. What is the minimum escape velocity?

Two bodies have masses in the ratio 3:1.. They experience forces which impart to them acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced.

 When temperature of a liquid increases, its surface tension

A 5 kg block is released from rest on a smooth plane inclined at an angle of 30^o to the horizontal. What is the acceleration down the plane?

A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance between him and his new image is

An electric cell has an external resistance of 2 ohms. A current of 0.5 Ampere was measured when a resistor of resistance 5 ohms was connected across it. Determined the electromotive force of the cell.

Calculate the acceleration of a particle of mass 4kg which is acted upon by a force 5N.

It is known that an atomic nucleus comprises of positively charged protons. Which of the following  also  exist in the nucleus

The electromagnetic waves that are sensitive to temperature changes are

The silver wall of a vacuum flask prevents heat loss due to

The coefficient of kinetic friction between smooth, dry surface of steel and wood is approximately 0.02 Calculate the force require to pull 15kg block of steel along a horizontal wooden surface at a steady speed of 0.2m/s.

Which of the following radiation cannot be deflected by an electric field or a magnetic field?

I. Alpha particle II. beta particle III. gamma particle IV. X-ray

A vehicle of mass m is driven by an engine of power p from rest. Find the minimum time t it will take to acquire a speed V.

A body accelerates uniformly from rest at 6m/s² for 8sec and then decelerates uniformly to rest in the next 5 sec(s) The magnitude of the deceleration is

A coil of copper wire N turns in a kept rotating between the poles of a permanent magnet such that the magnetic flux linking the coil changes continuously. Which of the following statement is TRUE?

The half-life of a radioactive element is 9 days. What fraction of atoms has decayed in 36 days?

Two nearly equal masses are connected by a string passing over massless, frictionless pulley. This physical system is called Atwood machine. The two masses are 195g and 205g, determine the acceleration of the masses.

A jar 20m deep is full of liquid of relative density 1.3. At what depth below the liquid surface is the press.ire equal to the pressure exerted by a column of 5cm of mercury of relative density 13.6.

An object moves along a circle from point P1 and point P2, if the distance travelled is one quarter of the circumference, determine the angular displacement.

Compute the final temperature in degree Celsius of a mixture of l00g of water at 20 and 2Mkg of copper at 100°C

 Which of the following statement is true?

Which of the following are the two forces experienced by an object immersed in a fluid?

I. Weight II. Tension III. Buoyant force IV. Frictional force

Which of the following are the characteristics of pressure liquid?

I. Increases with depth

II. Varies with depth

III. The pressure act equally

IV. Pressure at all point at the same depth is the same

Calculate the force required to pull 15kg block of steel along a horizontal wooden surface at a steady peed of 0.2m/s

Which of the following factor are used in the classification of matter?

I. Intermolecular attractive forces

II. Mean thermal energy

III. Viscosity

IV. Pressure

The mass of a specific gravity bottle is 7.6g when it is empty. It is 12.4g when filled with kerosene and 13.6g when filled with distilled water. Calculate the relative density of kerosene.

A piece of solid substance weighs 80g in air, 60g when to totally immersed in a liquid water and 66g in liquid X. Calculate the relative density of liquid X.

The triple point of water is a thermodynamic temperature at which of the following values

A quantity of ice at -10°C is heated until the temperature of the heating vessel is 90°C. Which of the following constants is NOT required to determine the quantity of heat supplied to the vessel?

The scent from a jar of perfume opened in one corner of a room is picked up in another part of the room. The perfume moves through the air molecules by

The ice and steam points of the thermometer are 20mm and 100mm respectively. A temperature of 75°C corresponds to Y mm on the thermometer. What is Y?

The most suitable type of mirror used for the construction of a searchlight is the

 An astronomical telescope is said to be in normal adjustment when the

Light waves and ripples of water are similar because both

A hydrogen tank of volume 0.08m³ at constant temperature is filled to a pressure of 30,000kpa. What was the original volume of the hydrogen when it was at a pressure of 2 atmosphere? (1 atm = 100kpa)

An object of height 3.00cm is placed 10cm in front of a biconvex lens i the object is

A 3000W electric cooker is to be used on a 200V mains circuit. Which of the fuses below can be safely with the cooker?

Which of the following is not a fundamental quantity in physics?

On a velocity time graph, a straight line drawn parallel to the time axis represent

For a body performing circular motion, it

At what temperature do the Fahrenheit and Kelvin scales have the same numerical value

An astronaut experience weightlessness in space when he

The friction which operates when solid surface slides over another is called

Which of the following conclusion can be drawn from Newton second law of motion?

 In which of the following transitions does a solid changes directly into gases?

I. fusion

II. condensation

III. sublimation

IV. solidification

If M and R are the masses and radius of the earth respectively and G is the universal gravitational constant, the earth gravitational potential at an altitude H above the ground level is

 An electric kettle with negligible heat capacity is rated at 2000W. If 2.0kg of water is put in it how long will it take temperature of water to rise from 20° to 1000C.

(S.H.C of water = 4200 J Kg)

The tendency of a body to remain ‘at the state of rest when a force is applied to it is called

A man pulled from a wall with a string tied to the nail tied to the nail. If the string is inclined at an angle of 30° to the wall and the tension in the string is 50N, the effective force used in pulling the nail is

What is the Celsius equivalent of 50.0° F?

Under constant tension and constant mass, the note produced string is 500Hz when the length of the string is 0.90 m at what length of the frequency 150Hz

Two bodies P and Q are projected on the same horizontal plane, with the same initial speed but at different angles of 300 and 600 respectively to the horizontal neglecting air resistance, what is the ratio of range of P to that of Q?

 A constant force of 6N is applied parallel to a 5kg mass initially at rest. The mass moves through a horizontal distance of 5.0m. What is the work done by the force?

 A smooth steel ball is dropped from height of 3 Mm. How long does it takes to fall if it is released from rest?

A gas would serve as an electrical conductor under

A stationary stone at a height of x cm above the ground possess one of the following types of energy

Which of the following types of waves cannot travels through a vacuum?

When a jar containing a certain gas is opened, the motion of the escaping gas is

The current through a resistor in an a.c circuit is given as 2 sin wt. Determine the d.c equivalent of the current.

The process of energy production in the sun is

 Energy losses through eddy currents are reduced by using

The inner diameter of a test tube can be measured accurately using a

A bullet of mass 0.1kg is thrown vertically upwards with a speed of 10ms² from the top of a tower 10m high. Neglecting air resistance, its total energy just before hitting the ground is (take g= 1 0ms²)

A solid weigh 10.0N in air, 6N when fully immersed in water and 7.0N when fully immersed in a liquid X. Calculate the relative density of the liquid X.

The temperature gradient across a copper rod of thickness 0.02m, maintained at two temperature junctions of 20°C and 80°C respectively is

 If a sound wave goes from a cold region to a hot air region, its wavelength will

Which of the following electromagnetic waves is least energetic?

At what frequency would a 10H inductor have a reactance of 2000

Gamma rays are produced when

What is the speed of a particle of mass 1 0^-27 kg whose a’ whose wavelength is 10^-8m? [h = 6.63 x 1034Js]

When a ship sails from salt water into fresh water, the fraction of its volume above the water surface will

The velocity ratio of a machine is 5 and its efficiency is 75%. What effort would be needed to lift a load of 150N with the machine?

A rope is being used to pull a mass of 10kg vertically upward. Determine the tension in the rope if, starting from rest, the mass acquires a velocity of 4 ms’ in 8s. [g 10 ms^-2]

A boy observes a piece of stone at the bottom of a river 6.Om deep. If he looks from the river,  what is the apparent distance of the stone from him? [Refractive index of water = 4/3)

The main reason for making the cover of a vacuum flask airtight is to prevent heat loss by

If a charged ion goes through combined electric and magnetic fields, the resultant emergent velocity of the ion is

In a thermonuclear reaction, the total initial mass is 5.02 x I 0^-27 kg and the total final mass is 0.01 x 1 0^-27 kg. The energy released in the process is [c=3.0x 108ms^-1]

A 2H inductor has negligible resistance and is connected to a 50Ώ A.C supply. The reactance of the conductor is

The height at which the atmosphere cease to exist is about 80 km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at the height of 20 km above the ground level is?

 Ice cubes are added to a glass of warm water. The glass and water are cooled by

The thermometric substance of an absolute thermometer is

 In a Daniel cell, the depolarizer, positive and negative electrodes are respectively

A transistor function mainly as a

A cell of internal resistance 0.01 Ώ can be measured accurately using the

An electric generator with a power output of 3.0 kW at a voltage 1.5 kV distributes power along cables of resistance 20.0 Ώ. The power loss in the cables is

The resultant of two forces acting on an object is maximum if the angle between them is

 A string is fastened tightly between two walls 24cm apart. The wavelength of the second overtone is

A resistance R is connected across the terminal of an electric cell of internal resistance 2 and the voltage was reduced to 3/5 of its nominal value. The value of R is

Which of the following metals will provide the greatest shield against ionizing radiation?

Vibration in a stretched spring cannot be polarized because they are

A gas at a volume of V₀ in a container at a pressure P₀ is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant?

Calculate the capacitance of a capacitor which stores 2.5 x 10^-3J of energy when a potential difference of 5.0V is applied across it.

The major defects of a simple cell are