Question # 1

The path of electron in Rutherford atomic model according to classical theory a.

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Parabolic

Straight line

Spiral

Circular

The ablate of rays of different colours to converge a single point sifter refraction though a convex lens is called.

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Come

Distortion

Spherical aberration

Chromatic aberration

Wattles current is said to flow when phase angle between virtual current and virtual voltage is

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0^o

90 ^o

180 ^o

270^o

Negative feedback

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Increases stability

Decreases stability

Produces oscillatory

Cannot occur

The circuit in which current and voltage are in phase the power factor is.

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Zero

Unity

Double

4 times

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

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Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

Third law of thermodynamics

If a resistance is connected in parallel with a galvanometer the resulting instrument is called.

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A voltmeter

An ammeter

A wattmeter

A potentiometer

The cause of ferromagnetism is.

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Orbital motion of elections

spin Motion of electrons

Permanent dipole memento

Spin angular momentum

What is the smalless total resistance using only a 6 ohm and 12 ohm resistors.

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2 Ohm

3 Ohm

4 Ohm

6 Ohm

The force that moves a rocket or a plane forward is called.

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Lift

drag

Thrust

Turbulence

Coulomb's law for the electrostatic force between two electric charges resembles the

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Law of conservation of energy

Law of conservation of mass

Newton's law of gravitation

Newton's law of motion

The change in the dimensions of a body produced by the action of the deformation force is known as.

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Strain

Stress

Tensile strain

Tensile stress

When a ray of light is incident perpendicularly to the boundary of two media.

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It pass through without bending

It is speed is faster int he optically denser medium

It derivates from its original path

It is totally reflected back

If the presence of air friction, the path of a projectile appears as.

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Straight line

Parabola

Hyperbola

zig zag

Which is not the strongest and the most familiar type of magnetism.

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Diamagnetism

Para magnetism

Ferromagnetism

All of these

Which one fo the following is based on the diffraction and repulsion of electric charge.

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Capacitor motor

Transformer

Induction motor

synchronous motor

The heat required to sublime one mole of the substance at standard temperature and pressure is called.

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Latest heat

Specific heat

Heat of sublimation

Heat capacity

Which of the following is most suitable for the core of the electromagnetism

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Air

Steel

Su Ni allow

Soft iron

A polaroid is

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A red light filter

A device used for a analyzing polarized light

A device used in polarimeter

An adjustable shutter

Which of the following is a non conservative force.

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Gravitational force

Air resistance

Elastic force

Tension in a string

If a conductor sun infirmly stretched so that its length is increased in timed, then its resistance becomes.

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n times the original resistance

1/n times the original resistance

n2 times the original resistance

n3 times the original resistance

the depth of a pond is 4 m What is the apparent depth of the pond if the water level is 3.5 m high. The refractive index of water is 1.33

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1.9 m

2.3 m

3.13 m

4.5 m

The air plane lift is based on

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Archimedes principle

Law of conservation of momentum

Bernoulli's principle

Law of conservation of energy

The process in which no heat enters or leaves the system is called.

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Isdobaric

Isochoric

Isothermal

Adiabatic

The sum of positive and negative peak values are usually written as.

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rms value

p-p value

Peak value

Instantaneous value

The fluid which is incompressible and non viscous is called.

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Viscous fluid

Nonideal fluid

Ideal fluid

Perfect fluid

An example of forced oscillation is

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the pendulum of a clock

The wind screen wiper

A plucked sonometer wire

A sonometer wire excited by a tuning fork

The constant lamda is called the.

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Decay constant

Gas constant

Planck's constant

Dose constant

A diver leaving the diving board makes a somer sault in the air.

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This is due to gravitational force

The moment of inertia is decreased during the turn

His moment of inertia is increased

He pushes at the air for making the true

The SI unit of momentum is.

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kg m s-2

kg m2 s-2

kg m s-1

kg s-1

The escape velocity

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Is independent of mas of the body

Increases with the increases of mass of the body

Decreases with the decreases of mass of the body

Depends upon the type of body used

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