FUNAAB Physics 2021/2022 Past Questions

A solid plastic cube of 0.2m is submerged in a liquid of density 0.8km. Calculate the up thrust of the liquid on the cube. (g= 10ms^-2)

Calculate the quantity of heat released when 100g of steam at 100° C condenses to water. (Take the specific latent heat of vapourization of water as 3.3 x 10kg)

A fixed mass of gas occupies a volume of 20cm at a pressure of 700mmHg. Assuming that the temperature remains constant, what will be the volume of the gas at 750mmHg?

When white light is incident on a glass prism the spectrum produced on a screen placed beyond the prism is due to

Two identical waves travelling in the same direction are super imposed. What should be the phase difference between the waves for maximum destructive interference to occur?

A uniform metre rule of mass 90g pivoted at the 40cm mark. If the meter rule is in equilibrium with an unknown mass M placed at the 10cm mark and 72g mass at the 70cm mark, then M is

A pole AB of length 10m weighs 800N and has its centre of gravity 4m from the end A, and lies on horizontal ground. The least vertical force required to lift its end B is

A metre rule is found to balance horizontally at the 48cm mark. When a body of mass 60g is suspended at the 6cm mark the balance point shifts to the 30cm mark. The mass of the metre rule is:

The elastic limit of a material is:

A 10g mass placed on the pan of a spring balance causes an extension of 5cm. If a 15g mass is placed on the pan of the same spring balance, the extension produced is:

To produce an enlarged and erect image with a concave mirror, the object must be positioned ___.

The property that is propagated in a travelling wave is ___.

Which of the following eye defects can be corrected using a cylindrical lens?

The time rate of loss of heat by a body is proportional to the ___.

Which of the following materials is a conductor?

The charge carriers in gases are:

A job is done slowly, while an identical job is done quickly. Both jobs require the same amount of work but different amounts of ......

A 1-kg ball dropped from a height of 2m rebounds only 1.5 m after hitting the ground. The amount of energy converted to heat is about

A sandbag in outer space moves at 3m/s and collides and sticks to a half-as-massive sandbag initially at rest. Compared to the kinetic energy of the moving bag before collision, the kinetic energy of the coupled bags after collision is

If you push an object with twice the work input for twice the time, your power input is

How far from a cliff should a boy stand to hear the echo of his clap 0.8s later? (Speed of sound in air = 330m/s)

Which of the following is not true about semi conductors?

The minimum energy necessary to remove an electron from a given atom at infinity is called......

Find the De Brogile wavelength of a 0.01kg pallet having a velocity of 10m/s and energy 66 × 10³⁴js

A step-up transformer is designed to operate from a 25v supply. If the transformer is 80% efficient, determine the current in the primary coil when the output terminals are not connected to 240V 100W lamp

Dispersion of light by a glass prism is due to the

To produce an enlarged and erect image with a concave mirror, the object must be positioned

To convert an ac dynamo to dc dynamo, the

In an AC circuit that contains only a capacitor. the voltage

The purpose of dielectric material in a parallel plate capacitor is to

Which of the following properties is not used to measure the temperature of a substance?

The clinical thermometer is characterized by having a

The amount of heat given out or absorbed when a substance changes its state at

A block of aluminium is heated electrically by a 25W heater. If the temperature rises by 10°C in 5 minutes, what is the heat capacity of aluminium?

In a gas experiment, if the pressure of the gas is plotted against the reciprocal of the volume, the unit of the slope of the resulting curve is:

In what distance can a 1,500 kg automobile be stopped if the brake is applied when the speed is 20 m/s and the coefficient of sliding friction is 0.7 between the tyres and the ground?

The highest point of a simple pendulum bob is 5cm vertically above the lowest point as it swings to and fro between the two extreme ends. At what velocity does it swing past the lowest point (equilibrium point) where the string is vertical? (take g = 10 m/s^2)

Three vectors A, B, and C add together to yield zero: A + B + C = 0. The vectors A and C point in opposite directions and their magnitudes are related by the expression: A = 2C. Which one of the following conclusions is correct?

Which of the following could be measured in the same units as force?

Which of the following does not affect the pressure at a point beneath the surface of a liquid?

The process by which a metal heated to a high temperature gives off electrons from its surface is known as

A total internal reflection occurs in the glass-air boundary when the angle of incidence is

At what temperature will the Celsius scale coincide with the Fahrenheit scale?

Which of these statements is correct about cathode rays. They are fast moving

The up thrust experienced by an object immersed in a fluid makes the object feel

A 6μf capacitor is connected in series with a 5μf and 7μf which are connected in parallel. What is the equivalent capacitance of the network?. 

When two parallel wires carry currents in opposite direction, the force on either wire is  

Some quantity of hot water at a temperature T is added to warm water at a temperature of 25°C in the ratio 1:4. Determine T if the final temperature of the mixture is 30°C.

When the saturated pressure of a liquid becomes equal to the pressure of the air above it?

Calculate the angle of incidence that will produce an angle of refraction of 36° for a light ray incident on glass if the velocities of the light in air and glass are 3.0 x 108m/s and 2.0 x 108m/s respectively.