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प्रश्न
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
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उत्तर
The radiation which has the highest ionizing power is α radiations.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
What are free electrons?
What are isobars?
Explain the use of radioactive in the field of medicine, agriculture and industry.
State three safety precautions that you would take while handling the radioactive substances.
From α, β and γ-rays, name the one which is not affected by electric or magnetic field?
Which of the following statements is/are correct?
- α particles are photons
- Penetrating power of γ radiation is very low
- Ionization power is maximum for α rays
- Penetrating power of γ radiation is very high
If 10% of a radioactive substance decays in every 5 years, then the percentage of the substance that will have decayed in 20 years will be ______.
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
