The physical quantity that has the same dimensions as impulse is?

Which off the following is equivalent to kgms-1

Which of the following is the dimension of Pressure

For which underlisted quantity is the derived unit ML2T-2 correct.

I. Moment of force

Ii. Work

III. Acceleration

A lorry travels 10km northwards, 4km eastwards, 6km southwards and 4km wewstwards to arrive at a point T. What is the total displacement?

A boy travels 12km eastwards to a point B and then 5km southwards to another point C. Calculate the difference between the magnitude of the displacement oof the boy and the distance traveled by him

A man walks 1km due East and then 1km due North, his displacement displacement is

During the same interval, it is observed that a train travels the same distance as does a lorry. The two vehicles have the same

A moving object has a uniform Acceleration. It's

When a ball rolls on a smooth level ground, the motion of its center is

If a body moves with a constant speed and at the same undergoes an Acceleration, its motion is said to be

An object moves with constant speed round a circle, its Acceleration has

The motion of a moving a skin of a talking drum can rightly be described as

Which of the following motions are oscillatory?

I. A diving board when used by a diver

II. The motion of the balance wheel of a wrist watch

III. The motion of a turn table of a record player

IV. The motion of a needle of a DC ammeter into which a low a.c current is passsed

A body starts from rest and moves with constant Acceleration Acceleration. Which of the following quantities varies/ vary linearly with the square of the time.

I. Velocity

II. Displacement

III. Momentum

A train had an initial velocity of 44 m/s and an Acceleration of - 4m/s2. Its velocity after 10 seconds is

A body accelerates uniformly from rest at 2m/s2. Calculate its velocity after traveling 9m

Which of the following following is true of a body moving in a straight line with uniform Acceleration? The Acceleration of the body

A body falls from rest to the ground in 0.5s. Calculate the height from which it falls. g = 10m/s2

A stone and feather are dropped from the same height above the earth surface. Ignoring air resistance, which of the following is correct?

Two particles X and Y starting from from rest cover the same distance. The Acceleration of X is twice that of Y, the ratio of the time taken by X to that taken by Y is

A body accelerates uniformly from rest at 2m/s2. Calculate its velocity after traveling 9m

A man on a bench will exert the greatest pressure on the bench when he

Air was pumped out of a sealed can and and the can collapse. Which of these statements is the best explanation for this?

Mechanical pumps can not

The height at which the atmospheric pressure seizes to exist is 80km.if the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is. Take density of mercury = 13.6g/cm3, density of air = 0.00013g/cm3

The pressure exerted by a liquid in a container is dependent on the

Mercury is suitable as a barometric fluid because it

Mercury is suitable as a barometric fluid because it

I. Density of the liquid

II. Acceleration due to gravity

III. Type of container of the liquid

IV. The constituents of the liquid

Which of the above statement will NOT affect the pressure of liquid?

At what depth below the sea level will one experience a change of Pressure equal to the atmosphere.

Density of sea water=1013kg/m3, 1 atmosphere = 1.01 × 10 ^5 N/m2, g=10m/s2

A rectangular container contains water to the depth of 2m. If the base is 4m by 3m, calculate the force on the base

In an experiment to determine the relative density of a liquid using the relative density bottle, the following results were recorded

Mass of empty bottle + stopper = 50g

Mass of bottle full of water + stopper =80g

Mass of bottle full of liquid Q + stopper = 74g.

Use the information to calculate the RD of the the liquid Q

The density of water is 1 g/cm3 and that of ice is 0.9g/cm3. Calculate the change in volume when 90g of Ice is completely melted

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

By which of the following process does a piece of blotting paper absorb a drop of ink from a sheet of writing paper?

It is observed that water will wet a clean glass because the

If a tube of small radius opened at both ends is placed in a liquid, the liquid will

The opposing force which one layer of liquid exerts on another is called

The terminal velocity of a ball bearing falling through a viscous fluid is reached when the

Which of the following is the most viscous at room temperature

Palm oil from a bottle flows out more easily after it has been warmed because

A parachute attains terminal velocity when

For which underlisted quantity is the derived unit ML2T-2 correct.

I. Moment of force

Ii. Work

III. Acceleration

The bursting of water pipes during very cold weather, when the water in the pipes formm the ice could be attributed to

Induced emfs are best explained using

A magnet is moved through a coil of wire. The emf produced in the wire depends on

A conductor of length 1m moves with a velocity of 50m/s at an angle of 30 degrees to the direction of a uniform magnetic field of Flux density 1.5Wbm-1.What is the emf induced in the conductor?

Lenz law is a law of conservation of

A dynamo primarily converts

On an ac generator which of the following does not apply.

To covert ac generator to DC generator, the

An alternating current can induce voltage because it has

If a current carrying coil is mounted on a metal frame, the back emf induced in the coil causes

Which of the following devices in their common form would not function on a steady direct current?

When a transformer had more secondary windings than primary windings, it

A transformer has 300 turns in the primary coil and 30 turns in the secondary coil. If the input voltage is 100V, the output voltage is

A transformer has 500 turns in the primary coil and 2500 turns in the secondary coil. If the primary current is 2.5A, the secondary current is

The total length of a string when a mass of 20g is hung at its end is14cm, while its total length is 16cm when a mass of 30g is hung from the same end. Calculate the length of the spring when a mass of 40g is hung

from the end assuming Hooke's law is obeyed. *

The mass of a specific gravity bottle is 15.2g when it is empty. It is 24.8g

when filled with kerosene and 27.2g when

led with

stilled water.

Calculate the relative density of kerosene.

The blade of a hoe feels colder to touch in the morning than the wooden handle because the

The blade of a hoe feels colder to touch in the morning than the wooden handle because the

Which of the following statement is correct

When an ebonite rod is rubbed with fur, it has

Which of the following is true of an electric charge

In the process of electrification by induction, the amount of induced charge in relation to the inducing charge is the

What are likely to observe when a negatively charged rod is brought near the knob of a charged electroscope which has a positive residual charge

If the south poles of two magnets stroke a steel bar, the polarities at the ends T and V of the steel will respectively be

The point at which the resultant magnetic Flux density is zero is called

The angle of dip at the magnetic poles is

Atoms of solids having crystalline structures are arranged in regular patterns called

Three identical lamps each of power 100W are connected in parallel across a potential difference of 250V. Calculate the current in the circuit

A household refrigerator is rated 200W. If the electricity cost 5k per KWh, what is the cost of operating it for 20days

The Kinetic energy of a body moving with velocity V is K. What is the Kinetic when the body doubles its velocity. The value of K will

A load of 5N gives an extension of 0.56cm in a wire which obeys Hooke's law. What is the extension caused by a load of 20N

Heat transfer by convection will occur most rapidly in one of the following substances

Which of the following obeys ohms law

A wire P has half the diameter and half the length of a wire Q of similar material. The ratio of the resistance of P to that of Q is

If a resistance is halved in value and the potential difference across it is tripled, then the ratio of the new current to the old is