Question # 1

In chopke coil the resistance X_L an resistance R are:

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X_L=R

X_L<<R

X_L>>R

X_L=∞

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is.

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Speed

Kinetic energy

Path of motion

angular velocity

The number of neutron present in a nucleus in a given by

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N = A+Z

N = A- z

N = Z - A

N = A X Z

The crystalline structure of NaCl is.

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Cubical

Hexagonal

Tri gonal

Tetragonal

The unit of resistance is:

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Ω

Ωm

Ω^-1m^-1

Ωm^-1

A solid in which there is not regular arrangement of molecules is called.

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Glassy solid

Amorphous solid

Crystalline solid

Both a and b

Intensity of field inside a hollow charged sphere will be.

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Negative

Unaffected

Zero

Maximum

Special organs called ampullae of lorenzenite are present in.

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Bats

Cats

Dogs

Sharks

The principle regarding the dual nature of light was first discovered by

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Compton

J.J.Thomson

De-Broglie

Heisenberg

The series in infrared region is:

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Paschen series

Bracket series

Pfund series

All of above

Which component of the transistor has greater contrition of impurity.

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Base

Emitter

Collector

Emitter and collector

Nuclear fission chain reaction is controlled by using.

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Cadmium rods

Iron rods

Platinum rods

Steel rods

Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.

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X rays

Gama rays

Heat Radiation

Ultraviolet rays

In frequency modulation which factor changed.

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Amplitude of charge carriers

Frequency of charge carriers

Amplitude of signal

Frequency of signal

When Ohm meter gives full scale deflection it indicates.

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Zero resistance

Infinite resistance

Small resistance

Very High resistance

In modulation, low frequency signal is known as

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Carrier wave

fluctuated signal

Modulated carrier signal

Modulation signal

Electron volt is the unit of.

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Potential

Potential difference

Electric current

Electric energy

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