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One a.m.u. stands for...

One a.m.u. stands for

A

`1/20`(mass of one O-atom)

B

`1/12`(mass of one C-atom)

C

`1/18`(mass of one N-atom)

D

`1/24`(mass of one S-atom)

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The correct Answer is:
B
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AAKASH INSTITUTE-Mock Test 39: PHYSICS-Example
  1. The ratio of nuclear density of two nuclei having mass number A1=12 a...

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  2. Deuterium is represented by

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  3. One a.m.u. stands for

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  4. Select the correct option

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  5. The binding energy per nucleon is largest for

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  6. The half life of radium is about 1200 years.if hundred gram of radium ...

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  7. Annihilation of 1g of matter theoretically yield energy of the order o...

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  8. The law of conservation of mass is not obeyed by a

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  9. What percentage (approximate) of original radioactive substance left a...

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  10. If the nuclear of radius of O^8 is 2.4 fermi, then radius of Al^27 wou...

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  11. The incorrect feature of nuclear forces among following is

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  12. The t(0.5) of a radioactive element is related to its average life by ...

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  13. The unit of radioactivity decay rate is

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  14. The quark content of proton and neutron are respectively

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  15. If M,mn and mp are masses (in kg) of nucleus Xz^A, neutron and proton ...

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  16. A pure semiconductors

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  17. In a p-n junction diode, holes diffuse from p-region to n- region beca...

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  18. The total number of current careers in intrinsic semiconductor of dime...

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  19. Symbolic representation of photodiode is

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  20. The correct energy band responsible of intrinsic semiconductor at temp...

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