Question # 1

A body is in a static equilibrium, only when it is

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Moving with uniform velocity

Moving with variable velocity

Moving with uniform acceleration

at rest

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

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Graphite

heavy water

Uranium

Cadmium

A water wave is an example of

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Electromagnetic wave

Longitudinal wave

Transverse wave

Reverberation

When two point charges of equal magnitude and opposite sign exist very close to one another the arrangement is called.

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An electric dipole

An amperian current

A null charge

A neutral source

A single silicon photovoltaic cell produces a current of the order of.

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A few miliamperes

10² A

10³ A

10⁴ A

Newton's first law of motion provides the definition of.

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Distance

Force

Vector

Acceleration

Current in an electrolyte is carried by.

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Electron only

Anions only

Citations only

Mesons only

The object of a telescope is very large this is to have an image which is.

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More magnified

Of better resolution

More bright

More clear

A person suffering from short sighted ness uses

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Concave lens

Convex mirror

Convex lens

Concave mirror

Which quantity remains fixed in isobars.

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Mass number

Atomic number

Number of neutrons

Number of protons

Who developed the first atomic reactor.

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Bohr

Fermi

Rutherford

Taylor

Which of the following is a clinical thermometer.

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Gas thermometer

Mercury thermometer

Alcohol thermometer

Radiation thermometer

If Young's experiment is performed in water. which of the following change will occur.

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Fringe width will increases

Fringe width will decreases

Fringe width will remain unchanged

No fringe will be seen

An other name for electric P.E per unit charge is.

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Electric intensity

Electric field

Electric potential

Electric force

Which of the following is basic transistor configuration.

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CB

CC

CE

All of these

The SI unit of current gain is.

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Ampere

Ampere metre

Ampere volt

It has no unit

When a charged rod is brought near bits of dry cork dust The dust will.

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Cling firmly to rod

Be replied from the rod

Attract itself to the rod a first and then fly off

Be repelled at first and then be drawn to the rod

The moment of linear momentum is called.

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Torque

Couple

Impulse

Angular momentum

Which one of the following telescopes has the least length when set for parallel rays.

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Astronomical telescope

Galileo's telescope

Terrestrial telescope

Reflecting telescope

Mosley's law establishes the x rays fluorescence's of target element with its.

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Atomic weight

Atomic number

Density

Lattice constant

Which of the following is an example of an irreversible process.

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Isothermal and adiabatic process

Melting of ice

Work done against friction

Pettier effect

The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.

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Pair production

Pair annihilations

Photoelectric effect

Compton's effect

At low frequency the value of resistance of certain capacitors is.

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small

Large

Moderate

Unmeasurable

The scientific theory concerning the coming into existence of universe.

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Cosmology

Cosmogony

Cosmography

Cosmos

If a fluid does not wet a liquid surface, the angle of contact is.

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90^o

less than 90 ^o

* greater than 180 ^o

between 90^o and 180 ^o

The long distance transmission of electrical energy is done at.

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High potential and low current

High potential and highs current

Low potential and high current

Low potential and low current

Who suggested that energy is radiated or absorbed in discrete packers called quanta.

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Max. Planck

Stefan

Lummer

Boltzmann

The eight most common element in the universe by mass is

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Ge

C

Si

As

Huygen's principle is used to explain the

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Speed of light

Dispersion of light

Propagation of light

Reflection of light

a spectrometer is used to study

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Spectrum

Waveform

Interference

Diffraction

A Galilean telescope with objective of coal length 30 cm and eyepiece of focal length.8 cm when focused for infinity has length equal to

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7.5 cm

2.2 cm

38 cm

240 cm

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