Characteristic and Continuous X-Rays

IMPORTANT

Characteristic and Continuous X-Rays: Overview

This topic covers concepts such as Continuous X-rays, Mode of Production of Continuous X-rays, Cut off Wavelength of Continuous X-ray, Characteristic X-rays, Mode of Production of Characteristic X-rays, and Duane – Hunt Formula.

Important Questions on Characteristic and Continuous X-Rays

MEDIUM
IMPORTANT

The wavelength of the characteristic X-ray   K α line emitted by a hydrogen like element is 0.32 Å. The wavelength of the   K β line emitted by the same element will be___________.

HARD
IMPORTANT

To produce characteristic X-rays using a Tungsten target in an X-ray generator, the accelerating voltage Vaccelerating should be greater than ______ volts and the energy E of the characteristic radiation is ______ eV.

(The binding energy of the innermost electron in Tungsten is 40 keV).

MEDIUM
IMPORTANT

State the Duane-Hunt formula for continuous X-rays.

EASY
IMPORTANT

The work function of metal of independent of 

i nature of the surface of the metal

ii dimension of the metal

iii properties of the metal

iv abundance of the metal

EASY
IMPORTANT

The work function of metal is

EASY
IMPORTANT

The wave nature of light was established by

i Maxwell's equations

ii Fraunhoffer lines

iii Hertz experiment

iv Einstein's theory

MEDIUM
IMPORTANT

Particle like behaviour of light arises from the fact that each quanta of light has definite ---x--- and a fixed value of ---y--- just like a particle, here x and y refer to 

EASY
IMPORTANT

The production of continuous X-ray is due to the-

MEDIUM
IMPORTANT

Which of the followina are the characteristics required for the target to produce X -rays

EASY
IMPORTANT

Electrons with de-Broglie wavelength λ fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-rays is

MEDIUM
IMPORTANT

Electrons of mass m with de Broglie wavelength λ fall on the target in an X-ray tube. The cut-off wavelength λ0 of the emitted X-ray is

MEDIUM
IMPORTANT

The speed of the colliding electron is increased in an X-ray tube, then

MEDIUM
IMPORTANT

In a coolidge tube, the potential difference used to accelerate the electrons is increased from 12.4 kV  to 24.8 kV. As a result the difference between λKα and λmin increases three fold. The wavelength of Kα line is - hce=12.4 kV Ao

MEDIUM
IMPORTANT

According to Mosley's law of characteristic X-ray. Which of the following is correct?

EASY
IMPORTANT

Consider a photon of continuous X-ray and a photon of characteristics X-ray of the same wavelength. Which of the following is different for the two photons?

EASY
IMPORTANT

For the production of characteristics KβX-ray, the electron transition will be:

EASY
IMPORTANT

The production of characteristic X-rays is due to:-

EASY
IMPORTANT

Kα characteristic X-rays refers to the transition:-

EASY
IMPORTANT

Which of the following is related with the characteristic emission of X-ray?

HARD
IMPORTANT

In the context of X-rays generated from an X-ray tube, which amongst the following statements is not correct?