Question # 1

The most abundant isotope of neon is:

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Neon 21

Neon 20

Neon 22

None of above

Power dissipated in a pure inductor is.

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Large

Small

Infinite

Zero

The first spectral lines were discovered in 1885, were

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Paschen series

Balmer series

Pfund series

Bracket series

The quantity time constant RC has units of.

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Charge

Time

Capacitance

Resistance

Hydrogen bomb is an example of.

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Nuclear fission

Nuclear fusion

Chain reaction

Chemical reaction

The total flux through a closed surface.

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Directly proportional to shape and geometry

Independent of medium

Depend on shape and geometry

Dependent on medium and the charge enclosed

Mutual induction play role in.

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Generator

D.C. motor

Galvanometer

Transformer

The unit of magnetic induction B is

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Coulomb

Ampere

Coulomb/ampere

Weber/m²

Young's modulus for water's is

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Zero

1

2

3

Laser can be made by creating.

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Meta stable

Population inversion

Excited state

All of these

X=A+B is the mathematical notation for.

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OR gate

NOR gate

NAND gate

AND gate

If the separation between the plates of a capacitor is doubled then its capacitance become.

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Double

Half

One fourth

Three times

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Lenz's law is a consequence of the law of conservation of

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Charge

Momentum

Energy

Angular momentum

The energy of photon for photoelectric effect is less than

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1 MeV

2 MeV

5 MeV

8 MeV

Lenz's law presented in

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1834

1934

1826

1836

The value of e/m is smallest for

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Proton

Electron

Beta particle

Positron

Einstein was awarded Nobel prize in physics in

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1905

1911

1918

1921

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