Question # 1

the alpha particle does not travel for enough in air.

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Due to its intense ionization

Due to its large mass

Due to its high charge

Due to its Hight Ionization

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

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Time period

Frequency

Voltage gain

phase angle

In annitilation of matter, positron and electron pair disappears into two

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Alpha particles

Beta particles

Game particles

X-rays

Which one of the following gates in a a universal gate.

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OR

AND

NOT

NAND

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

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1.22 MeV

2.22 MeV

3.22 Mev

4.22 MeV

What is the energy equivalent to amu in Me V

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0.931 MeV

9.31 MeV

93.1 MeV

931 MeV

The continuous X rays spectrum is due to an effect.

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Bremsstrahlung

Breaking radiation

Holography

both a and b

Isotopes are the atoms of the same elements which contain equal number of.

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Nucleus

Neutrons

Protons

Electrons

Tracer techniques make use of.

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Neutron scattering

Electron beams

LASER

Radioactive isotopes

Why is a capacitor resistor combination used in oscillators in grid circuit.

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To generate oscillation

To bias the grid automatically

To amplify oscillations

To sustain the oscillations.

Compton scattering experiment seemed to indicate that radiation had

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Wave nature

Particle nature

Wave particle nature

X-rays nature

the wavelength of continuous X-rays is inversely proportional to.

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Intensity of incident electron beam

Temperature of the target

Intensity of X-rays

The energy of electrons striking the target

What is the relativistic version of the Schrodinger equation.

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Klein Gordon equation

Laplace equation

Quadratic equation

Binomial equation.

Which of the following is the most massive particle.

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Deuteron

Alpha particle

Neutron

positron

The process by which nuclei emit a ,b and gama rays in order to attain stability is called.

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Radioactive disintegration

Radio activity

B decay

Radioactive transmulation

Which one of the following has maximum frequency.

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Visible light

Gama rays

Ultraviolet rays

Infrared rays

In which of the following controlled nuclear chain reaction is used to liberate energy.

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Nuclear bomb

Atomic bomb

Hydrogen bomb

Nuclear reactor

Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.

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Simultaneously

Mass variation

time dilation

Length contraction

When an electron and a positron are annihilated, then number of protons produced is.

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1

2

3

4

The emission of electrons from a metal surface when exposed to light of suitable frequency is called.

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Pair production

Compton effect

Photo electric effect

Zeeman effect

Particle which can be added to the nucleus of an atom with changing its chemical properties are called.

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Electrons

Protons

Neutrons

Alpha particles

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