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The X-rays beams coming from an X-ray tube will be
- a)Monochromatic
- b)Having all wavelength smaller than a certain minimum wavelength
- c)Having all wavelength larger than a certain minimum wavelength
- d)Having all wavelength between certain minimum and maximum wavelength
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
The X-rays beams coming from an X-ray tube will bea) ...
Explanation:
To understand why the correct answer is option 'C', let's first understand the concept of X-rays.
What are X-rays?
X-rays are a form of electromagnetic radiation with wavelengths shorter than ultraviolet light and longer than gamma rays. They have higher energy levels than visible light and are able to penetrate most objects, including the human body.
Production of X-rays:
X-rays are produced in a device called an X-ray tube. The X-ray tube consists of a cathode, an anode, and a vacuum. When high voltage is applied across the cathode and anode, electrons are accelerated from the cathode towards the anode.
What happens in an X-ray tube?
When the high-speed electrons from the cathode strike the anode, they undergo a process called bremsstrahlung radiation. This process involves the deceleration of the electrons, which results in the emission of X-rays.
Characteristics of X-rays:
X-rays emitted from an X-ray tube have certain characteristics:
1. Monochromaticity: Monochromatic X-rays have a single wavelength. However, in the case of an X-ray tube, the emitted X-rays are not monochromatic as they have a range of wavelengths.
2. Minimum Wavelength: X-rays have a minimum wavelength, also known as the cutoff wavelength. This is determined by the energy of the electrons striking the anode. The higher the energy of the electrons, the shorter the minimum wavelength of the X-rays.
3. Maximum Wavelength: X-rays do not have a maximum wavelength. They can have wavelengths ranging from the minimum wavelength to infinity.
X-rays from an X-ray tube:
Based on the characteristics mentioned above, we can determine the correct answer.
The X-rays beams coming from an X-ray tube have all wavelengths larger than a certain minimum wavelength. This is because the X-rays are produced by the deceleration of high-speed electrons, and the energy of these electrons determines the minimum wavelength of the emitted X-rays. Therefore, all the X-rays produced in the X-ray tube will have wavelengths larger than this minimum wavelength.
Hence, option 'C' is the correct answer.
To understand why the correct answer is option 'C', let's first understand the concept of X-rays.
What are X-rays?
X-rays are a form of electromagnetic radiation with wavelengths shorter than ultraviolet light and longer than gamma rays. They have higher energy levels than visible light and are able to penetrate most objects, including the human body.
Production of X-rays:
X-rays are produced in a device called an X-ray tube. The X-ray tube consists of a cathode, an anode, and a vacuum. When high voltage is applied across the cathode and anode, electrons are accelerated from the cathode towards the anode.
What happens in an X-ray tube?
When the high-speed electrons from the cathode strike the anode, they undergo a process called bremsstrahlung radiation. This process involves the deceleration of the electrons, which results in the emission of X-rays.
Characteristics of X-rays:
X-rays emitted from an X-ray tube have certain characteristics:
1. Monochromaticity: Monochromatic X-rays have a single wavelength. However, in the case of an X-ray tube, the emitted X-rays are not monochromatic as they have a range of wavelengths.
2. Minimum Wavelength: X-rays have a minimum wavelength, also known as the cutoff wavelength. This is determined by the energy of the electrons striking the anode. The higher the energy of the electrons, the shorter the minimum wavelength of the X-rays.
3. Maximum Wavelength: X-rays do not have a maximum wavelength. They can have wavelengths ranging from the minimum wavelength to infinity.
X-rays from an X-ray tube:
Based on the characteristics mentioned above, we can determine the correct answer.
The X-rays beams coming from an X-ray tube have all wavelengths larger than a certain minimum wavelength. This is because the X-rays are produced by the deceleration of high-speed electrons, and the energy of these electrons determines the minimum wavelength of the emitted X-rays. Therefore, all the X-rays produced in the X-ray tube will have wavelengths larger than this minimum wavelength.
Hence, option 'C' is the correct answer.
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