x-rays are produced by accelerating electrons by voltage v and let them strike a metal of atomic number z. the highest frequency of characteristic x-rays produced is proportional to

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Click here👆to get an answer to your question ✍️ X - rays are produced by accelerating electrons by voltage V and let they strike a metal of atomic number Z . The highest frequency of X - rays produced in proportional to

Question

X-rays are produced by accelerating electrons by voltage V and let they strike a metal of atomic number Z. The highest frequency of X-rays produced in proportional to 

V

Z

(Z−1)

2 Medium Open in App

स्रोत : www.toppr.com

X

According to Mosley's law v prop (Z - b)^(2) For k(alpha) line, b = 1, and it has maximum frequency so v(max) prop (Z - 1)^(2)

X

-rays are produced by accelerating electrons by voltage

V

and let they strike a metal of atomic number

Z

. The highest frequency of

X − r a y s

produced is proportional to

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A2Z-DUAL NATURE OF RADIATION AND MATTER-X-RAYS

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Updated On: 27-06-2022

Text Solution A V B Z C ( Z − 1 ) D ( Z − 1 ) 2 Answer

The correct Answer is D

Solution

According to Mosley's law

v ∝ ( Z − b ) 2 For k α line, b = 1

, and it has maximum frequency so

v max ∝ ( Z − 1 ) 2 Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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ELECTRIC CHARGE, FIELD & FLUX

A beam of electron accelerated by a large potential difference

V

is mode of strike a metal target of produce X-ray . For which of the following value of

V

, will the resulting X-ray have the lower minimum wavelength?

11312770 01:29

The minimum wavelength of the X - rays produced by electrons accelerated through a potential difference of V "volts" is directly proportional to

11969648 02:00

In producing X-rays a beam of electrons accelerated by a potential difference V is made to strike a metal target. For what value of

V , X

-rays will have the lowest wavelength of 0.3094 Å

16178086 01:59

विभवान्तर V वोल्ट से त्वरित इलेक्ट्रॉनों से उत्पन्न X-किरणों की अधिकतम आवृत्ति होगी :

156783243 02:54

X-ray are produced by accelerating electrons across a given potential difference to strike a meta target of high atomic number. If the electrons have same speed when they strike the target, the X-ray spectrum will exhibit.

212493932 05:14

The minimum wavelength of the X-rays produced by electrons accelerated through a potential difference of V volts is directly proportional to

378267591 02:05

The minimum wavelength of the X -rays produced by electrons accelerated through a potential difference of V volts is directly proportional to

427233427 01:58

Statement-1: When cathode rays strike a hard metallic surface highly penetrating radiation is obtained. bacause Statement-2 : The shortest wavelength limit of X-rays produced is inversely proportional to the accelerating voltage.

462815419 Text Solution

इलेक्ट्रॉनों को V वोल्ट से त्वरित करके परमाणु क्रमांक Z वाली लक्ष्य धातु से टकराने पर X-किरणें उत्पन्न होती है। उत्पन्न X-किरणों की उच्चतम आवृत्ति समानुपाती होगी

559597180 05:04

X-किरण नलिका में‌ एक निश्चित त्वरक विभवान्तर पर X-किरणें उत्पन्न होती है सतत X-किरणों की तरंगदैर्ध्य पारस होगी

559597272 04:57

X- किरणें उत्पन्न करने के लिये V विभवान्तर द्वारा त्वरित इलेक्ट्रॉन पुंज को एक धातु के लक्ष्य से टकराया जाता है। निम्नलिखित में V के किस मान के लिये, X- किरणों की तरंगदैर्ध्य न्यूनतम होगी :-

641282103 03:59

The graph between frequency v of k. X-rays and the atomic number Z

642677227 Text Solution

The minimum wavelength of the X-rays produced by electrons accelerated through a potential of .V. (in volt) is directly proportional to

642765057 02:25

V वोल्ट विभवान्तर द्वारा त्वरित इलेक्ट्रॉन-पुंज द्वारा उत्पन्न X- किरणों की न्यूनतम तरंगदैर्ध्य होगी

642839091 03:08

The minimum wavelength of the X-rays produced by electrons accelerated through a potential difference of V volt is directly proportional to ......

643110523 01:07

A beam of electron accelerated by a large potential difference

V

is mode of strike a metal target of produce X-ray . For what value of

V

, will the resulting X-ray have the lower minimum wavelength?

644107569 01:36

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1. X

1. X-ray generation was published in Volume 2 Radiology, Lasers, Nanoparticles and Prosthetics on page 3.

Requires Authentication Published by De Gruyter 2017

1. X-ray generation

1. X-ray generation From the book Volume 2 Radiology, Lasers, Nanoparticles and Prosthetics

Hartmut Zabel

https://doi.org/10.1515/9783110553116-003

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Showing a limited preview of this publication:

1 X-ray generation 1.1 Introduction

In 1895 Wilhelm Conrad Röntgen discovered a new type of radiation, which he called

x-rays. He was uncertain what they were, but he noticed that they were able to pen-

etrate opaque matter. To demonstrate this he took x-ray images of his wife’s hand,

the first x-ray images ever, which made him and the new method instantly famous

worldwide. Since then x-rays have been known to the general public mainly for their

medical use. Röntgen was the first awardee of the Physics Nobel Prize in 1901. How-

ever, medical x-ray imaging is only one of many other uses of x-rays, the others include

x-ray scattering, x-ray spectroscopy, and x-ray microscopy in all fields of science and

technology. X-rays from low energies to high energies are so omnipresent that a world

without x-rays is hard to imagine. Without x-rays we probably would not know about

the helical structure of DNA, the complex folding of proteins such as myoglobin and

hemoglobin, the rich structure and functionality of ribonucleic acid (RNA), and many

others.

X-rays are electromagnetic (EM) waves with energies ranging from 50 eV up to

several MeV, corresponding to wavelengths

λ

from 25 nm (50 eV) down to 0.0012 nm

(1 MeV). The conversion factor derived from the equation for the energy of photons

E = hf = hc / λ is: λ ( nm )= 1240 eV nm E ( eV ) where h = 6.623 × 10 − 34

JsisthePlanckconstant,

c = 299792458m / s ≈ 3 × 10 8 m/s −1

is the vacuum velocity of EM waves, and

f is the frequency.

At the lower energy end x-rays overlap with far ultraviolet radiation. At the up-

per energy scale they overlap with γ-radiation. It is not primarily the energy or the

respective wavelength that characterizes x-rays; it is the method by which x-rays are

produced. Three kinds of x-ray production can be distinguished:

1. bremsstrahlung

, radiation produced by deacceleration of high energy electrons;

2.

characteristic radiation

, occurring after excitation of core shell electrons of atoms;

3.

synchrotron radiation

emitted by radial acceleration of electrons in high energy

storage rings.

One can simplify this characterization and reduce it to two main effects: acceleration

and excitation. Bremsstrahlung and synchrotron radiation are due to acceleration of

electrons: deacceleration (stopping) of high energy electrons in a target in one case

and radial acceleration of electrons on a circular orbit in the other case. Characteris-

tic radiation is due to excitation of atomic core shell electrons. γ-radiation, although

overlapping in energy with x-rays, is reserved as decay product of radioactive isotopes.

DOI 10.1515/9783110553116-003

© 2017 Walter de Gruyter GmbH, Berlin/Munich/Boston

स्रोत : www.degruyter.com