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Beta rays emitted by a radicactive mater...

Beta rays emitted by a radicactive material are

A

Electromagnetic radiation

B

Neutral particles

C

The electrons orbiting around the nucleus

D

Charged particles emitted by nucleus

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The correct Answer is:
D
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AAKASH INSTITUTE-NUCLEI-Assignment Section A Objective (One option is correct )
  1. Some radioactive nucleus may emit.

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  2. The percentage of quantity of a radioactive material that remains afte...

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  3. Beta rays emitted by a radicactive material are

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  4. Alpha rays emitted from a radioactive substance are

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  5. In the given reaction .z X^A rarr .(z+1)Y^A rarr .(z-1) K^(A - 4) ra...

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  6. The radioactivity of a certain radioactive element drops to 1//64 of i...

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  7. If T is the half-life of a radioactive material, then the fraction tha...

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  8. The half-life of a radioactive element which has only (1)/(32) of its ...

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  9. The life-life of Bi^210 is 5 days. What time is taken by (7//8)^th par...

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  10. A radioactive nucleus undergoes a series of decay according to the sch...

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  11. Half-life of radioactive element depend upon

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  12. The half-life period of a radioactive substance is 5 min. The amount o...

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  13. Half-lives of two radioactive substances A and B are respectively 20 m...

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  14. Half-life of a radioacitve element is 10 days. The time during which q...

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  15. An element A decays into element C by a two-step process : A rarr B ...

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  16. During mean life of a radioactive element, the fraction that disintegr...

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  17. The half-life of a radioactive substance against alpha-decay is 1.2 xx...

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  18. The activity of a sample of a radioactive meterial is A1 , at time t1 ...

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  19. A radioactive substance has an average life of 5 hours. In a time of 5...

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  20. A sample of radioactive element has a mass of 10 g at an instant t=0. ...

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