Question # 1

When a magnet is moved into the coil of wire there is a small reading on the galvanometer Which change would increase the size of the reading.

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Pushing in the S-pole

Pulling the magnet out

Unwinding some of the turns of wire

Moving the magnet faster

Two charged spheres are separated by 2 mm Which of the following would produce the greatest attractive force.

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+1 q and + 4 q

-1 q and -4 q

+2 q and +2 q

+2 q and -2q

Who studied freely failing bodies using modern scientific method.

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Galileo

Issac newton

Abert Einstein

Alkundi

If a ray of light in glass in incident on an air surface at an angle greater than the critical angle, the ray will

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Refract only

Reflect only

Partially refract and partially reflect

Diffract only

Which both elements are good for nuclear fission.

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Thorium an uranium

Thorium and radium

Plutonium and uranium

Plutonium and throrium

Which two terminal passive electronic component implements electrical resistance as a circuit element.

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Capacitor

Inductor

Resistor

Transformer

The SI unit of torque is

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kg ms-2

kg m2s-2

kg ms-1

kg m2 s-3

Which of the following material could be used for a high vacuum, high voltage tube.

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Thoriated tungsten

Tungsten

Copper

Cesium

The gravitational force between two bodies does not depends upon.

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The product of their masses

Their separation

The sum of their masses

The constant of gravitation

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

Who is generally credited with the invention of first optical microscope.

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Hans Lippershery

Glavanni faber

Galileo

issac Newton

The direction of force on a moving negative charge will be.

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Opposite to that of positive charge

Similar to that of positive charge

At right angel to the positive charge

Parallel to the positive charge

The kinetic molecular model of matter describe matter an being made up of molecules in continuous.

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Vibratory motion

Random motion

rotatory motion

Linear motion

Which material has the larges resistivity.

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Silver

Germinium

Amber

Sulphur

X-rays used for

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Cutting boring and precision welding

Retina stitching in eye operations

Detecting heavy elements under the earth

Deflecting flaws in welding and casting

The electric field intensity of a point charge varies.

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Directly as the square of the distance from the charge

Directly as the square of the charge

Inversely as teh distance from the charge.

Inversely as the square of the distance from the charge

Liquids with disordered structure frozen in are an example of

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Amorphous solids

Glassy solids

Crystalline solids

Polymeric molecules

In modulation, low frequency signal is called

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Fluctuated signal

Loaded signal

Modulated signal

Harmonic signal

In a crystal lattice

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Atoms are arranged in an order way

Atoms are arranged in a random way

Holes are arranged in an order way

Electrons are arranged in an order way

A body is thrown vertically upward with initial velocity 9.8 ms-1 it will reach the height.

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4.9 m

19.9 m

29.4 m

49.2 m

An object gain excess negative charge after being rubbed against another object which is.

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Neutral

Negatively charged

Positively charged

either a, b, or c

Electromagnetic waves are produced by

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Charge at rest

Accelerated changes

Heating a conductor

Electroplating

A horizontal force of 15 N accelerates a 4 kg object rom rest along a horizontal surface at a rate of 3 m s-2 At the end of 2 s the objects momentum will be.

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12 kg m s-1

24 kg m s-1

30 kg m s-1

45 kg m s-1

As a positively charged rod is brought closer and closer to a positively charged electroscope the gold leaf.

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diverges

Converges

is neutralized

Is unaffected

In a half wave rectifier the rms value of the A.C. component of the wave is.

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Less than D.C. value

Great her than D.C. value

Equal to D.C. value

Zero

The ratio of stress to strain is called.

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Bulk modulus

Young's modulus

Modulus of elasticity

Shear modulus

Which of the following can be used as an arrester in a nuclear reactor.

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Graphite

heavy water

Uranium

Cadmium

A steel of which material should be placed between the plates of a parallel plate capacitor in order to increase its capacitance.

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tin

Iron

Copper

Mica

From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.

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Critical point

Triple point

Initial point

Final point

One volt is equal to.

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One joule per coulomb

One dyne per coulomb

One newton per coulomb

One watt second

The mechanical equivalent of heat is.

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Physical quantity

Constant

Conversion factor

Zero

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