Chapter 17 - Atomic and Nuclear Physics - 2


1. Nuclear fission was done by Ottohann and Strassmann in




2. The mass of a body from which 1.35 *10^15 J of energy obtained is




3. When a neutron emits a Beta particle, it changes into a proton so the charge of the new element is greater by




4. Match the column..........................................isotope




5. Match the column..........................................radioactivity




6. Match the column..........................................1 cm thick sheet of aluminium




7. Match the column..........................................3 *10^8 m/s




8. Match the column..........................................smallest part of element




9. Match the column..........................................electromagnetic waves emitted by the nucleus




10. Match the column..........................................least effect on photographic plate




11. Match the column..........................................fusion of four hydrogen nuclei




12. Match the column..........................................atomic no grater than 82




13. Match the column..........................................unhealthy seeds




14. Match the column..........................................curing some fatal diseases




15. Match the column..........................................after a time 2T, the number of aotms




16. Match the column..........................................uranium







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