Question # 1

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

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Archimede's principle.

Heisenberg uncertainty principle

Mosley's law

Schrodinger's wave equation

Transistor stands for

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Transfer of resistance

Transfer of current

Transfer of power

Transfer of voltage

The scientific theory concerning the coming into existence of universe.

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Cosmology

Cosmogony

Cosmography

Cosmos

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

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Photoelectric effect

Zeeman effect

Shadow photography

Ionization

In a Nuclear reactor which material is often used as modeerator.

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Water

Graphite

Uranium

Water and graphite

The electrons behave as waves, because they can .

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Produce ions in gases

Diffracted by a crystal

Be deflected by electric fields

Be deflected by magnetic fields

The band width of an audio amplifier is.

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10 Hz to 10 kHz

20 Hz to 54 Hz

20 Hz to 20 kHz

20 Hz to 60 kHz

Which of the following configuration of BJTs gives both voltage gain and current gain.

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common Base

Common Emtter

Common collector

All of the above

Which quantity remains fixed in isobars.

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Mass number

Atomic number

Number of neutrons

Number of protons

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

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young's double slit experiment

Division germier experiment

Heisenberg's uncertainty experiment

Stern Gerlach experiment

The mass of an helium nucleus is equal to.

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2.0015 u

3.0015 u

4.0015 u

5.0015 u

Which one the following is not a component of a Bipolar junction Transistor

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Base

Emitter

Collector

Grid

How many terminals does a BJT have.

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1

2

3

4

The maximum K.E of photo electrons depends upon

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Energy of incident radation

Frequency of incident radiation

Wavelength of incident radiation

Mass of incident radiation

Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.

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2.4 J

4.2 J

12.3 eV

13.6 eV

the gain of an amplifier is independent of

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The two externally connected resistances

What is happening inside the amplifier

Internal structure of the amplifier

All of the above

The input exultation for a JFET is

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Current signal

Voltage signal

Voltage and current signals

Neither voltage nor current signal

The advantage of electron tube over semiconductor is.

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_{its efficiency}

its unlimited type

Its low consumption power

That it takes no warming up time

The working of cloud chamber is based in the presence of.

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Super heated vapours

Liquid

Super saturated vapors

Unsaturated vapours

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

The total number nucleons in a nucleus are called.

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Mass number

Atomic number

Neutron number

Isotopes

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