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Electromagnetic Spectrum is
  • a)
    Orderly distribution of the electromagnetic radiations according to their amplitude only.
  • b)
    Orderly distribution of the electromagnetic radiations according to their wavelength or frequency.
  • c)
    Orderly distribution of the electromagnetic radiations according to their wavelength or amplitude.
  • d)
    Orderly distribution of the electromagnetic radiations according to their amplitude or frequency.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Electromagnetic Spectrum isa)Orderly distribution of the electromagnet...
The orderly distribution of electromagnetic radiations according to their wavelength or frequency as called the electromagnetic spectrum. Radio waves are electromagnetic waves of the frequency range from few Hz to 106 Hz.
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Electromagnetic Spectrum isa)Orderly distribution of the electromagnet...
Understanding the Electromagnetic Spectrum

Definition:
The electromagnetic spectrum is the orderly distribution of electromagnetic radiations according to their wavelength or frequency.

Key Points:
- The electromagnetic spectrum includes a wide range of electromagnetic waves, such as radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.
- Each type of electromagnetic radiation has a specific range of wavelengths and frequencies that determine its properties and interactions with matter.
- The spectrum is typically divided into regions based on these properties, with longer wavelengths and lower frequencies found at one end (e.g., radio waves) and shorter wavelengths and higher frequencies at the other end (e.g., gamma rays).
- Understanding the electromagnetic spectrum is crucial for various applications in science, technology, and communication, as different types of waves have different uses and effects on matter.

Importance:
- By studying the electromagnetic spectrum, scientists can gain insights into the behavior of electromagnetic waves and their interactions with matter.
- The spectrum also plays a key role in fields such as astronomy, telecommunications, medicine, and environmental monitoring.
- Knowledge of the electromagnetic spectrum helps in the development of technologies like MRI machines, satellite communication, and solar panels.
In conclusion, the orderly distribution of electromagnetic radiations according to their wavelength or frequency defines the electromagnetic spectrum, which is essential for understanding the properties and applications of different types of electromagnetic waves.
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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 range of amplitude of LASER?

Electromagnetic Spectrum isa)Orderly distribution of the electromagnetic radiations according to their amplitude only.b)Orderly distribution of the electromagnetic radiations according to their wavelength or frequency.c)Orderly distribution of the electromagnetic radiations according to their wavelength or amplitude.d)Orderly distribution of the electromagnetic radiations according to their amplitude or frequency.Correct answer is option 'B'. Can you explain this answer?
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