The direction of the path taken by light is called

What is the inductance (L) of an inductor whose reactance is
1Ω at 50/ π hertz (H)?

A stroboscope can be used to make the ware appear

…………..

In an elastic collision

I. Energy is conversed
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conversed

Body floats in fluid when its …………………

The general gas law can be written as

The general gas law can be written as

A motor boy of a driver saw what seem to appear to be a pool
of water a head of him, while his driver’s drives a new truck on
a funny day. Which of the following explains his observation?

Which of the following is not luminous object?

The resultant force of a couple is ………?

A vector quantity can only be completely described when
……… and …………are mentioned.

In which of the following device in the expansion of solid is a
disadvantages?

I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer

If an object is placed at a height of tem above the ground at a
stationary point. It posses what types of energy?

Calculate the gravitation force of attraction between two
planets of 10 kg and 10 kg separated by a distance of
10 meters.

Mr. F. Abioye observed his image though a plane mirror, kept a
distance way from him at 4.7m in his room at what distance is
the image found from Abioye eye?

Primary colours of light are

Electrons were discovered by

The external parts of an object can be measure accurately
through the use of which scientific instrument?

Convert 45°C to kelvin

20

A member of the crew of a SPACESHIP experiences
weightlessness in a space when they

Radio waves belong to the class of wave whose velocity is
about

At 35°C and 5 atmospheres pressure the density of a gas is 0.
600g per liter. What is the density at 7 atmospheric pressure
and 350°C.

The compressed regions and the space-out regions in
longitude wave are refers to as

At what respective value of a, b, and c would the unit of work,
the joule, be dimensionally similar to M^a  L^b  T^c ?

The device in which one circuit controls another, especially if
the current in the second circuit is large or dangerous is known
as

Heat losses to the surrounding is possible through the
following except

Lodestone is a natural magnet, it points at

What type of electromagnetic radiation can be used to take
photographs in the haze?

A zinc has a heat capacity of 40 J/K, what is the mass of the
zinc, given that the specific heat of zinc is 380 J/kg k

If a ball released from a height of 20m, How long would it take
the ball to reach the ground? (assures g = 10m/s)

If the mechanical advantage of a machine is 4. What is its ratio
for LOAD to EFFORT?

For a best result using temperature to achieve an accurate
measurement, it is best to use

A structural engineer stood on a top of a building releasing a
light and heavy object to the ground which of the following
statement is true?(Neglect Air Resistance)

If an object which mass is 3kg moves in a circular path of a
radius 0.7m, record a speed at 2m/s what is the result of the
angular velocity?

The strength of an electromagnet incrase with

A platinum resistance thermometer wire has a resistance of
70hms at 0°Cand 7.5 Ohms at 100°C. Calculate the
temperature of the wire when the resistance is 7.2 Ohms

Which of the following will increases the boiling point of water?

I. Taking it to a high altitude
II. Dissolving a salt into it
III. Heating it in a sealed flask
IV. Increasing the rate of heat supply

What is the magnitude of the couple which acts on a rotating
circular disc of radius 2m, if a constant tangential force of 2N is
responsible for the rotation.

Transformers are designed so that energy losses are reduced
to a minimum. This is achieved through those process.

I. Using a soft iron ore
II. Laminating the iron core to reduce energy loses due to eddy
current
III. Designing an efficient iron core

The two liquids which are often used in thermometer on
experiment basic is known as

Neutron were discovered by

If a projectile has maximum range of 36m, find the speed of
projection (Take g = 9.8m/s )

What is the S.I unit of relative density?

For a best result using temperature to achieve an accurate
measurement, it is best to use

A good electric cell should have the following except

The r.m.s value of a supply voltage is quoted at 200v. What is
the approximate peak value of the voltage?

Heat transfer by convection will take place is one the following
substance.

A regular spacing or arrangement of atoms in a crystalline
material is called

The net movement of solvent molecules from a region of high
solvent potential to a region of lower solvent potential through
a partially or semi permeable membrane is refer to as

Which of the following option is right if an object fall freely to
the ground?

1. The total energy is Kinetic
2. The ratio of potential energy to kinetic energy is constant
3. The sum of potential and kinetic is constant