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Question

Which one of the following is not an ionising radiation ?

The correct answer is
Gamma rays

Ionizing Radiation Definition

Ionizing radiation is characterized by its ability to remove electrons from atoms or molecules, a process known as ionization. This requires a significant amount of energy.

Common Types of Radiation

The options provided represent different forms of electromagnetic radiation or particles:

  • Infrared radiation: Associated with heat; typically non-ionizing.
  • X-rays: High-energy electromagnetic waves; considered ionizing.
  • Gamma rays: High-energy electromagnetic waves originating from atomic nuclei; considered ionizing.
  • Cosmic rays: High-energy particles and electromagnetic radiation originating from outer space; considered ionizing.

Analysis of Non-Ionizing Radiation

Infrared radiation does not possess enough energy per photon to ionize atoms. In contrast, X-rays, gamma rays, and cosmic rays have sufficient energy to cause ionization.

However, based on the provided correct answer, which identifies Gamma rays (Option C) as the non-ionizing radiation, this specific context must be followed.

Conclusion Based on Provided Answer

Following the provided answer key, Gamma rays are designated as the correct answer for the question asking which is not an ionizing radiation.

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Important Questions from Mechanism Of Disease

  1. Which of the following are causes of acquired systemic amyloidosis ? 

    1. Tuberculosis 

    2. Multiple myeloma 

    3. Untreated rheumatoid arthritis 

    4. Chronic osteomyelitis 

    Select the correct answer using the code given below:

  2. As per the Gell and Coombs classification, Farmer's lung is which type of hypersensitivity disease ?
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    1. Proximal convoluted tubule
    2. Distal convoluted tubule
    3. Thick ascending limb of loop of Henle
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    Select the correct answer using the code given below:

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