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Class 12 Exam  >  Class 12 Questions  >  Radioactive decay of the nucleus leads to the... Start Learning for Free
Radioactive decay of the nucleus leads to the emission of
  • a)
    visible light
  • b)
    gamma rays
  • c)
    radio waves
  • d)
    microwaves
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Radioactive decay of the nucleus leads to the emission ofa)visible lig...
The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable). Gamma ray emission frequently follows beta decay, alpha decay, and other nuclear decay processes.
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Radioactive decay of the nucleus leads to the emission ofa)visible lig...
All alpha particles from a particular radionuclide transformation will have identical energies. The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to lower energy state ( unstable to stable ).
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Read the following text and answer the following questions on the basis of the same:Laser:Electromagnetic radiation is a natural phenomenon found in almost all areas of daily life, from radio waves to sunlight to x-rays. Laser radiation – like all light – is also a form of electromagnetic radiation. Electromagnetic radiation that has a wavelength between 380 nm and 780 nm is visible to the human eye and is commonly referred to as light. At wavelengths longer than 780 nm, optical radiation is termed infrared (IR) and is invisible to the eye. At wavelengths shorter than 380 nm, optical radiation is termed ultraviolet (UV) and is also invisible to the eye. The term “laser light” refers to a much broader range of the electromagnetic spectrum that just the visible spectrum, anything between 150 nm up to 11000 nm (i.e. from the UV up to the far IR). The term laser is an acronym which stands for “light amplification by stimulated emission of radiation”.Einstein explained the stimulated emission. In an atom, electron may move to higher energy level by absorbing a photon. When the electron comes back to the lower energy level it releases the same photon. This is called spontaneous emission. This may also so happen that the excited electron absorbs another photon , releases two photons and returns to the lower energy state. This is known as stimulated emission.Laser emission is therefore a light emission whose energy is used, in lithotripsy, for targeting and ablating the stone inside human body organ.Apart from medical usage, laser is used for optical disk drive, printer, barcode reader etc.Q. What is the full form of LASER ?

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Radioactive decay of the nucleus leads to the emission ofa)visible lightb)gamma raysc)radio wavesd)microwavesCorrect answer is option 'B'. Can you explain this answer?
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Radioactive decay of the nucleus leads to the emission ofa)visible lightb)gamma raysc)radio wavesd)microwavesCorrect answer is option 'B'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Radioactive decay of the nucleus leads to the emission ofa)visible lightb)gamma raysc)radio wavesd)microwavesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Radioactive decay of the nucleus leads to the emission ofa)visible lightb)gamma raysc)radio wavesd)microwavesCorrect answer is option 'B'. Can you explain this answer?.
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