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प्रश्न
What are isobars?
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उत्तर
The atoms of different elements which have the same mass number 'A', but different atomic number 'Z' are called 'Isobars'.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube
Name the charged particles
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
State the energy conversion taking place in a cathode ray tube
What happens to the atomic number of element when (i) An α -particle, (ii) A β -particle 1 and (iii) γ-radiation is emitted?
Explain the use of radioactive in the field of medicine, agriculture and industry.
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
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
Two radioactive sources A and B of half lives of 1 hour and 2 hours, respectively, initially contain the same number of radioactive atoms. At the end of two hours, their rates of disintegration are in the ratio of ______.
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 ______.
A deuteron strikes 8O16 nucleus with subsequent emission of an alpha particle. Identify the nucleus so produced:
