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When a nucleus in an atom undergoes a ra...

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom.

A

do not change for any type of radioactivity

B

Change for `alpha` and `beta` decay processes but not for `gamma` decay processes

C

Change for `gamma`-decay process but not for `alpha` and `beta`-decay processes

D

Change for type of radioactivity.

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The correct Answer is:
a
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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A
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  2. A radioactive nucleus A has a single decay mode with half life tau(A)....

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  3. When a nucleus in an atom undergoes a radioactive decay, the electroni...

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  4. Half - lives of two radioactive . Initially . The samples have equal n...

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  5. A radioactive element is preset in VIII group of the periodic table. I...

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  6. Which statement is true about n/p ratio?

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  7. How many alpha and beta particles should be eliminated so that an isod...

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  8. which of the following are used as control rods in a nuclear reacto ?

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  9. Which of the following notation shows the product incorrectly?

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  10. Which is ture about decay constant (lambda)?

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  11. Which of the following is not correct?

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  12. Correct order of radioactivity is:

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  13. At radioactive equilibrium, the ratio between two atoms of radioactive...

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  14. In the sequence of the following nuclear reaction, X(98)^(238) overs...

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  15. Co^(60) has half-life of 5.3 years. Find the number of half-lives for...

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  16. Which of the following "is"//"are" correct? a)alpha-rays are more pene...

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  17. Select the wrong statement:

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  18. In a nuclear reactor, heavy water is used

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  19. The correct starting material and product of different disintegration ...

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  20. Which of the following is/are not ture?

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