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Choose the correct sequence of the radiation sources in increasing order of the wavelength of electromagnetic waves produced by them.
- a)X-ray tube, Magnetron valve, Radioactive source, Sodium lamp
- b)Radioactive source, X-ray tube, Sodium lamp, Magnetron valve
- c)X-ray tube, Magnetron valve, Sodium lamp, Radioactive source
- d)Magnetron valve, Sodium lamp, X-ray tube, Radioactive source
Correct answer is option 'B'. Can you explain this answer?
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Choose the correct sequence of the radiation sources in increasing ord...
Answer: B
Solution:
The correct sequence of the radiation source in increasing order of the wavelength is Radioactive source (∼10−12 m)→ X-ray tube (∼10−10 m)→ Sodium lamp (∼10−9 m)→ Magnetron value (∼10−3 m).,
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Choose the correct sequence of the radiation sources in increasing ord...
Understanding Electromagnetic Waves and Their Sources
Electromagnetic waves are produced by various sources and have different wavelengths. The wavelength determines the type of radiation, ranging from radio waves to gamma rays. Here we will analyze the sources listed in option 'B'—Radioactive source, X-ray tube, Sodium lamp, and Magnetron valve—and their corresponding wavelengths.
1. Radioactive Source
- Emits gamma rays, which have very short wavelengths (high frequency).
- Typically in the range of picometers (10^-12 meters).
2. X-ray Tube
- Produces X-rays, also with short wavelengths but longer than gamma rays.
- Wavelengths range from about 0.01 to 10 nanometers (10^-11 to 10^-8 meters).
3. Sodium Lamp
- A type of gas discharge lamp that produces visible light.
- Wavelengths are in the range of approximately 589 nanometers (10^-7 meters).
4. Magnetron Valve
- Used in microwave ovens, emitting microwave radiation.
- Wavelengths are usually around 1 centimeter (10^-2 meters).
Conclusion
In increasing order of wavelength, we observe:
1. Radioactive source (shortest wavelength)
2. X-ray tube
3. Sodium lamp
4. Magnetron valve (longest wavelength)
Thus, option 'B' correctly represents the sequence of sources in increasing order of wavelength as: Radioactive source, X-ray tube, Sodium lamp, Magnetron valve. This is because as we progress from gamma rays to microwaves, the wavelength increases accordingly.
Electromagnetic waves are produced by various sources and have different wavelengths. The wavelength determines the type of radiation, ranging from radio waves to gamma rays. Here we will analyze the sources listed in option 'B'—Radioactive source, X-ray tube, Sodium lamp, and Magnetron valve—and their corresponding wavelengths.
1. Radioactive Source
- Emits gamma rays, which have very short wavelengths (high frequency).
- Typically in the range of picometers (10^-12 meters).
2. X-ray Tube
- Produces X-rays, also with short wavelengths but longer than gamma rays.
- Wavelengths range from about 0.01 to 10 nanometers (10^-11 to 10^-8 meters).
3. Sodium Lamp
- A type of gas discharge lamp that produces visible light.
- Wavelengths are in the range of approximately 589 nanometers (10^-7 meters).
4. Magnetron Valve
- Used in microwave ovens, emitting microwave radiation.
- Wavelengths are usually around 1 centimeter (10^-2 meters).
Conclusion
In increasing order of wavelength, we observe:
1. Radioactive source (shortest wavelength)
2. X-ray tube
3. Sodium lamp
4. Magnetron valve (longest wavelength)
Thus, option 'B' correctly represents the sequence of sources in increasing order of wavelength as: Radioactive source, X-ray tube, Sodium lamp, Magnetron valve. This is because as we progress from gamma rays to microwaves, the wavelength increases accordingly.
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