मराठी

What is meant by radioactivity?

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प्रश्न

What is meant by radioactivity?

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उत्तर

Elements with a high atomic number such as uranium, thorium, radium have a property of spontaneously emitting invisible, highly penetrating and high energy radiation. This property is called radioactivity. The nucleus of radioactive elements is unstable.

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पाठ 14: Substances in Common Use - Exercise [पृष्ठ १६२]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
पाठ 14 Substances in Common Use
Exercise | Q 3. a. | पृष्ठ १६२
सेलिना Physics [English] Class 10 ICSE
पाठ 12 Radioactivity
EXERCISE - 12(A) | Q 9. (a) | पृष्ठ २९७

संबंधित प्रश्‍न

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What are isobars?


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(a) Medical field,
(b) Agriculture,
(c) Industries?


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Name the radiation which has the highest ionizing power.


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What are the types of emission?


How is a cathode ray beam affected while passing through a magnetic field?


How is a cathode ray beam affected while passing through an electric field?


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What are ‘Becquerel rays’?


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[ln (0.15) = -1.9]


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Reason (R): Rutherford did α-particles scattering experiment.


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