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JEE Main 2026 Preparation: Question Papers, Solutions, Mock Tests & Strategy Unacademy » JEE Study Material » Chemistry »  Atoms and X-Rays Important Questions

 Atoms and X-Rays Important Questions

Carbon atoms can emit x-rays. Carbon lines, on either hand, are in the low end of the X-ray spectrum. Many X-ray detectors are unable to capture these photos.

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The smallest unit of matter is indeed the atom. It comprises a positive charge core known as the “nucleus.” Negative electrons also surround the core nucleus. Although an atom is indeed the tiniest unit of matter, it maintains all of an element’s chemical characteristics. X-rays, or X-radiation as it is more often known, are a penetrating kind of increased electromagnetic waves. The wavelength among most X-rays is between 10 picometers and 10 nm range, equivalent to frequencies between 30 petahertz & 30 exahertz and strengths between 145eV and 124 keV. Iron & oxygen are generally the two most significant generators of X-ray lines among the common features in the cosmos.

What is the definition of an atom?

It is the lowest component unit of matter which possesses chemical element qualities. Atoms do not exist in a vacuum; instead, atoms work together to create larger molecules, combining in enormous numbers to create the matter we view, touch and feel.

What is the Atom’s Dimension?

An atom is tiny, somewhat relatively smaller than our intellect allows us to imagine. If more than millions of atoms are packed collectively, a layer of an atom, the thickness of a thin piece of paper, is created. Because it is so difficult to detect the locations of electrons around the nucleus, measuring the length of an isolated atom becomes difficult.

1m=109nm

What are the elements that make up an atom?

An atom comprises three granules: neutrons, protons, and electrons, apart from hydrogen, which has no neutrons.

  1. Each atom contains a nucleus surrounded by one or maybe more electrons.
  2. The nucleus usually contains the same amount of protons and neutrons, collectively called nucleons.
  3. Protons have a positive charge, whereas electrons have a negative charge, and neutrons have no charge.

What exactly are X-Rays?

X-Rays, often known as X-radiation, are a type of electromagnetic radiation. They are amazingly strong electromagnetic radiation. The majority of the wavelengths vary between 0.01 to 10 nanometers, equivalent to a frequency of 30 petahertz to 30 exahertz with the energy of 100 eV to 100 keV.

Who is the inventor of the X-Ray?

Wilhelm Röntgen, a German scientist, is often credited with discovering X-Rays around 1895. He was also the first to examine these in-depth, albeit he isn’t regarded as the first to notice and experience their impacts. Scientists investigating further into cathode rays called intense e – beam, which was first created in the pipes discovered them emerging through Crookes pipes, experimental discharging pipes established around 1875.

How do X-rays work?

Whenever increased electrons smash with metal pieces, the power is emitted in the form of X-Rays, which are then captured by the metal frame.

The X-Ray laser moves freely, colliding with bodily tissues to make an image on something like a metal film.

Body parts and skin, for example, are unable to collect the increased photons. Therefore the light goes through them.

Radiation is absorbed by dense things inside our body, such as bones.

The X-Ray image grows in the same way a lens does based on regions subjected to the X-Rays. White spots on an X-Ray signify locations in which the X-Rays have travelled via soft tissues, including bones, where black areas indicate areas in which the X-Rays have gone through denser tissues, like bones.

Mention the characteristics of X-rays?

  1. It follows a straight path
  2. An electric or magnetic field can’t sway it
  3. It has a strong penetrating ability
  4. X-rays cause the photographic film to darken
  5. X-rays can create photoelectric emissions

X-Rays come in a variety of shapes and sizes

Different forms of X-Rays are recognized by medical science. The following are some of the most common forms of X-Rays.

  1. Computed Tomography (CT) is a type of imaging that uses a computer
  2. X-rays of the kidneys, ureters, and bladder
  3. X-rays of the teeth and bones
  4. X-rays of the chest
  5. X-rays of the lungs
  6. X-rays of the abdomen

Conclusion

The smallest unit of normal matter that makes up a chemical element is an atom. Atoms that are neutral or ionised make up each solid, liquid, gas, and plasma. Atoms are incredibly tiny, measuring approximately 100 picometers in diameter. Due to quantum phenomena, it is impossible to anticipate their behaviour with mathematical formalism precisely, whether they were golf balls, for example—and X-rays are a form of radiation known as electromagnetic waves. X-ray imaging is a type of scanning that provides images from the inside of the human body. The photos depict your body parts in various colours of black and white. Because various tissues accept varying quantities of radiation, that’s the case. Because calcium within bones collects the most x-rays, bones appear white.

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Frequently Asked Questions

Get answers to the most common queries related to the JEE Examination Preparation.

What are the effects of X-rays on atoms?

Ans. Ionising radiation, such as X-rays, can inflict atoms to expel electrons whenever it interacts with matter. The...Read full

What's the connection between X-rays and the atomic number?

Ans. Whenever an electron from an outer shell of an atom fills a hole therein the inner shell of an atom, X-ray part...Read full

Is it possible for atoms to produce X-rays?

Ans. Carbon atoms could produce x-rays with six protons, respectively. Carbon lines, on either hand, are now at the ...Read full

How are X-rays used in daily life?

Ans. X-rays were most commonly used to look for fractures, but they were also used. Chest x-rays, for instance, can ...Read full

Ans. Ionising radiation, such as X-rays, can inflict atoms to expel electrons whenever it interacts with matter. The power of X-rays is stored inside the substance throughout this ionization process.

Ans. Whenever an electron from an outer shell of an atom fills a hole therein the inner shell of an atom, X-ray particles are created. The frequency of X-ray emission is proportional to that of an atom’s atomic number Z.

Ans. Carbon atoms could produce x-rays with six protons, respectively. Carbon lines, on either hand, are now at the lower range of the X-ray spectrum. Most X-ray detectors are unable to capture certain photons. Iron & oxygen were generally among the two most significant producers of X-ray lines among the common features in the cosmos.

Ans. X-rays were most commonly used to look for fractures, but they were also used. Chest x-rays, for instance, can detect pneumonia. X-rays are used in mammograms to search for breast cancer. A lead apron may well be worn during an x-ray to safeguard certain sections of one’s body.

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