Interactive MCQs on “Gamma Radiation”:
Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.
Please Enter Topic:Gamma Radiation Enter ChatGPT Content: Question 1: What is gamma radiation? a) Particles emitted from the nucleus of an atom b) High-energy electromagnetic waves c) Low-energy electromagnetic waves d) Uncharged particles with high mass Answer: b) High-energy electromagnetic waves Explanation: Gamma radiation is a type of high-energy electromagnetic radiation. It consists of photons with extremely short wavelengths and high frequencies. Question 2: Which subatomic process typically produces gamma radiation? a) Alpha decay b) Beta decay c) Nuclear fusion d) Nuclear fission Answer: a) Alpha decay Explanation: Gamma radiation is often produced as a result of alpha decay, which is the emission of an alpha particle (two protons and two neutrons) from a radioactive nucleus. Question 3: What is the primary concern with exposure to gamma radiation? a) Inducing radioactivity in the body b) Causing thermal burns on the skin c) Creating a magnetic field around the body d) Producing visible light emissions Answer: a) Inducing radioactivity in the body Explanation: The primary concern with exposure to gamma radiation is that it can ionize atoms and molecules, potentially inducing radioactivity in the body and damaging biological tissues. Question 4: Which type of material is commonly used to shield against gamma radiation? a) Wood b) Aluminum c) Lead d) Glass Answer: c) Lead Explanation: Lead is commonly used as a shielding material against gamma radiation due to its high density and ability to absorb and attenuate gamma rays effectively. Question 5: What is the greatest danger of external exposure to gamma radiation? a) Immediate thermal burns b) Radiation sickness c) Internal contamination d) Long-term genetic mutations Answer: b) Radiation sickness Explanation: The greatest danger of external exposure to gamma radiation is radiation sickness, which occurs when the body receives a high dose of radiation that can lead to various health issues. Question 6: Which of the following is NOT a common source of gamma radiation? a) Nuclear power plants b) Medical imaging devices c) Cell phones d) Cosmic rays from space Answer: c) Cell phones Explanation: Cell phones do not emit gamma radiation. Gamma radiation is emitted from sources such as nuclear power plants, medical imaging devices like gamma cameras, and cosmic rays from space. Question 7: What is the penetrating ability of gamma radiation compared to alpha and beta particles? a) Gamma radiation has less penetrating ability than alpha and beta particles. b) Gamma radiation has the same penetrating ability as alpha and beta particles. c) Gamma radiation has greater penetrating ability than alpha and beta particles. d) Gamma radiation has no penetrating ability. Answer: c) Gamma radiation has greater penetrating ability than alpha and beta particles. Explanation: Gamma radiation has much greater penetrating ability than alpha and beta particles. Gamma rays can pass through several centimeters of lead, while alpha particles can be stopped by a sheet of paper, and beta particles can be stopped by a thin layer of aluminum. Question 8: Which type of gamma radiation source is commonly used in medical imaging to diagnose and treat diseases? a) Natural sources of gamma rays from space b) Gamma rays emitted during nuclear reactions c) Gamma rays emitted by radioactive isotopes d) Gamma rays produced by lightning Answer: c) Gamma rays emitted by radioactive isotopes Explanation: Radioactive isotopes are commonly used in medical imaging and radiation therapy. These isotopes emit gamma rays, which are used to diagnose and treat various diseases. Question 9: How can gamma radiation be beneficial in treating cancer? a) By causing mutations in cancer cells b) By directly killing cancer cells c) By inducing thermal burns on cancerous tissues d) By creating a magnetic field around the tumor Answer: b) By directly killing cancer cells Explanation: Gamma radiation can be used in radiation therapy to directly kill cancer cells. High doses of gamma rays are targeted at the tumor site to destroy cancerous tissues. Question 10: What is the speed of gamma radiation in a vacuum? a) 300,000 meters per second (m/s) b) 3,000 meters per second (m/s) c) 30 meters per second (m/s) d) 3 meters per second (m/s) Answer: a) 300,000 meters per second (m/s) Explanation: Gamma radiation, like all electromagnetic waves, travels at the speed of light in a vacuum, which is approximately 300,000 meters per second (m/s). Code starts Here: