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The gamma rays are...

The `gamma` rays are

A

singly ionised gas atom

B

helium nuclei

C

fast moving electrons

D

electromagnetic waves

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The correct Answer is:
D
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NIKITA PUBLICATION-ATOMS, MOLECULES AND NUCLEI-MCQs
  1. The short wavelength electromagnetic wave emitted by nuclei are called

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  2. High energy photons, emited in nuclear reorganisation, are called

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  3. The gamma rays are

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  4. The gamma-rays passing through a strong uniform electric field

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  5. When an atomic nucleus emits gamma-rays then

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  6. Which of the following has high-pentrating power?

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  7. The ionisation power of beta-particle is

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  8. Which of the following rays has same velocity as that of light?

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  9. The same radioactive nucleus may emit

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  10. If alpha, beta and gamma rays of same energy are aranged in ascending ...

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  11. A redioactive element .(Z)X^(A) emits an alpha particle and changes in...

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  12. The equation .(Z)X^(A) rarr .(Z+1)Y^(A)+.(-1)e^(0)+bar(v) represents

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  13. A neutron is emitted from a nucleus .(0)X^(233) How many beta particle...

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  14. When the radioactive isotope .(88)Ra^(228) decays in series by the emi...

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  15. What is the respective number of alpha and beta particles emitted in t...

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  16. .(90)Th^(232) emits 6alpha and 4 beta particles and gets converted int...

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  17. In a cloud chamber alpha, beta and gamma radiations are sent. The natu...

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  18. The rate of decay of radioactive element

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  19. Which of the following of radioactive material is a measure of its ins...

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  20. The decay constant of a radioactive sample

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