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Elements do emit radiation on their own and this property is known as _____
- a)Radioactivity
- b)Refraction
- c)Absorption
- d)Adsorption
Correct answer is option 'A'. Can you explain this answer?
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Elements do emit radiation on their own and this property is known as ...
Henri Becquerel discovered that elements emit radiation and termed this phenomenon as radioactivity. Later Curie on research found out about α-rays, β-rays and γ-rays. Later Rutherford concluded that α particles are helium nuclei.
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Elements do emit radiation on their own and this property is known as ...
Understanding Radioactivity
Radioactivity is a natural phenomenon where certain elements emit radiation without any external influence. This process is intrinsic to the structure of these elements.
What is Radioactivity?
- Radioactivity occurs when unstable atomic nuclei release energy in the form of radiation.
- The emitted radiation can be in various forms, such as alpha particles, beta particles, or gamma rays.
Characteristics of Radioactive Elements
- Unstable Nuclei: Elements that exhibit radioactivity have unstable nuclei due to an imbalance in the number of protons and neutrons.
- Decay Process: Over time, these unstable nuclei undergo decay, transforming into more stable forms, often releasing energy in the process.
The Importance of Radioactivity
- Scientific Applications: Radioactivity is crucial in fields like medicine (e.g., cancer treatment using radiation), archaeology (carbon dating), and energy (nuclear power).
- Natural Occurrence: Elements like uranium, radium, and polonium are naturally radioactive and found in the earth's crust.
Other Options Explained
- Refraction: This is the bending of light as it passes through different mediums, not related to radiation.
- Absorption: This refers to the process where materials take in light or other forms of energy, but it does not involve emission.
- Adsorption: This is the adhesion of molecules from a gas, liquid, or dissolved solid to a surface, distinct from the concept of radiation.
In summary, option 'A' - Radioactivity, accurately describes the property of certain elements to emit radiation on their own.
Radioactivity is a natural phenomenon where certain elements emit radiation without any external influence. This process is intrinsic to the structure of these elements.
What is Radioactivity?
- Radioactivity occurs when unstable atomic nuclei release energy in the form of radiation.
- The emitted radiation can be in various forms, such as alpha particles, beta particles, or gamma rays.
Characteristics of Radioactive Elements
- Unstable Nuclei: Elements that exhibit radioactivity have unstable nuclei due to an imbalance in the number of protons and neutrons.
- Decay Process: Over time, these unstable nuclei undergo decay, transforming into more stable forms, often releasing energy in the process.
The Importance of Radioactivity
- Scientific Applications: Radioactivity is crucial in fields like medicine (e.g., cancer treatment using radiation), archaeology (carbon dating), and energy (nuclear power).
- Natural Occurrence: Elements like uranium, radium, and polonium are naturally radioactive and found in the earth's crust.
Other Options Explained
- Refraction: This is the bending of light as it passes through different mediums, not related to radiation.
- Absorption: This refers to the process where materials take in light or other forms of energy, but it does not involve emission.
- Adsorption: This is the adhesion of molecules from a gas, liquid, or dissolved solid to a surface, distinct from the concept of radiation.
In summary, option 'A' - Radioactivity, accurately describes the property of certain elements to emit radiation on their own.
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Elements do emit radiation on their own and this property is known as _____a)Radioactivityb)Refractionc)Absorptiond)AdsorptionCorrect answer is option 'A'. Can you explain this answer?
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