Question # 1

The mass of beta particle is equal to mass of.

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Protons

Electrons

Neutrons

Boron

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

Ampere's law is applicable to:

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Circular path

Rectangular path

To any closed path

Nonwe of these

1 amu is equal to

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1.0606 x 10^-27 kg

1.66 x 10^-31 kg

1.66 x 10^-34 kg

1.66 x 10^-19 kg

μ_∘(Ampere's constant) has value.

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4πx10^-7 WbA^-1m^-1

4πx10^-17 Wbm²

4πx10⁷ WbA^-1m^-1

4πx10-27 Wb/m²

At high frequency the value of reactance of capacitor will be.

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Small

Zero

Large

Infinite

106 electrons are moving through a wire per second the current developed is:

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1.6 x 10-19 A

1 A

1.6 x 10-13A

106 A

Torque is produced in a current carrying coil when it is placed in a

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Magnetic field

Electric field

Gravitational field

Nuclear field

NAND gate represented by:

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X = A. B

X = A+B

X= A.B

X=|A+B|

Using relativistic effects the location of an air craft after an hour fight can be predicated about

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20 m

50 m

760 m

780 m

The radius of hydrogen atom is:

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0.53A°

0.053A°

0.53 x 10^-9

0.053 x10^-9

A moving charge is surrounded by:

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2 Fields

3 Fields

4 Fields

None of these

If a charge Q flows through any cross section of the conductor in time t, the current I is

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I=Qt

Nuclear fission was discovered by:

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Otto Hahn

Friz strassmann

Both a and b

Michaelson

The expression P = VI hold only when current and voltage are.

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In phase

Out of phase

At right angle to each other

At angle of 120 ^o

The maximum kinetic energy of emitted photo electrons depends upon.

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The intensity of incident light

Frequency of the incident light

Metal surface

Both frequency of incident light and metal surface.

The word amorphous means:

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Regular structured

Without form or structure

Frozen structured

None of above

Electrons are

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Hadrons

Laptons

Quarks

Baryons

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