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Consider the following statements.
  1. X-ray fluorescence is commonly used to study the composition of materials in a non-destructive manner.
  2. When the sun gives out solar flares, a large amount of X-ray radiation falls on the moon, triggering X-ray fluorescence.
Which of the above statements is/are correct?
  • a)
    1 only 
  • b)
    2 only 
  • c)
    Both 1 and 2 
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements. X-ray fluorescence is commonly used...
Explanation:
The correct answer is option C, which means both statements 1 and 2 are correct.

Statement 1: X-ray fluorescence is commonly used to study the composition of materials in a non-destructive manner.
X-ray fluorescence (XRF) is a widely used technique to analyze the elemental composition of materials. It works by bombarding a sample with X-rays, which causes the atoms in the sample to emit characteristic secondary X-rays. By measuring the energy and intensity of these emitted X-rays, scientists can determine the elements present in the sample. XRF is non-destructive because it does not require any physical alteration or damage to the sample being analyzed. This makes it a valuable tool in various fields such as archaeology, geology, environmental science, and material science.

Statement 2: When the sun gives out solar flares, a large amount of X-ray radiation falls on the moon, triggering X-ray fluorescence.
Solar flares are intense bursts of energy released by the sun. These flares can emit various forms of radiation, including X-rays. When solar flares occur, a large amount of X-ray radiation is emitted and some of it reaches the moon. When X-rays from solar flares interact with the lunar surface, they can cause X-ray fluorescence to occur. This means that the X-rays excite the atoms in the lunar soil, causing them to emit their own characteristic X-rays. By studying these emitted X-rays, scientists can gain insight into the elemental composition of the moon's surface.

Conclusion:
Both statements 1 and 2 are correct. X-ray fluorescence is commonly used to study the composition of materials in a non-destructive manner, and solar flares can trigger X-ray fluorescence on the moon when a large amount of X-ray radiation falls on its surface.
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Community Answer
Consider the following statements. X-ray fluorescence is commonly used...
Scientists from Indian Space Research Organisation (ISRO) have mapped out the global distribution of sodium on the Moon’s surface. They used the CLASS instrument (Chandrayaan-2 large area soft X-ray spectrometer) carried by the second Indian Moon mission, Chandrayaan-2.
This is the first effort to provide a global-scale measurement of sodium on the lunar surface using X-ray fluorescent spectra.
X-ray fluorescence is commonly used to study the composition of materials in a non-destructive manner. When the sun gives out solar flares, a large amount of X-ray radiation falls on the moon, triggering X-ray fluorescence.
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Consider the following statements. X-ray fluorescence is commonly used to study the composition of materials in a non-destructive manner. When the sun gives out solar flares, a large amount of X-ray radiation falls on the moon, triggering X-ray fluorescence.Which of the above statements is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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