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The rest mass of photon is...

The rest mass of photon is

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The correct Answer is:
The rest mass of photon is zero.
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RESONANCE ENGLISH-NUCLEAR CHEMISTRY-Board Level Exercise
  1. Calculate the number of electrons, protons and neutrons in the followi...

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  2. The rest mass of photon is

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  3. What is the energy of the electron in He+ ion in the ground state ?

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  4. Calculate the total number of electrons in 1 mol of ammonia

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  5. What is difference between a quantum and a photon?

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  6. What is the symbol of the species with number of electrons equa...

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  7. Given an isobar , and isotope of .(8)C^(14)

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  8. The azimuthal quantum number l of an orbital is 3. What are the possib...

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  9. How many electron on a fully filled f sub-shell have m(1) = 0 ?

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  10. Why 3d sub-shell has higher energy than 4s sub-shell in a muti-electro...

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  11. Arrange the following type of radiations in increasing order of freque...

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  12. Calculate the energy required for the process He^(+)(g) to He^(2+) ...

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  13. Calculate the wavelength a particle of mass m = 6.6 xx 10^(-27) kg mov...

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  14. If an electron is , to be located within 10 pm what will be the uncer...

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  15. How many sub-shell are there in N shell ? How many orbitals are there ...

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  16. Consider the following radioactive change (11)^(22)Na rarr (10)^(22)Ne...

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  17. How many orbitals are possible in a. 4th energy level b. 5f sub-sh...

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  18. How many spherical nodal surface are there in a. a 3s orbital b. a...

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  19. What is the number of d electrons in Cr^(3+) ions?

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  20. The mass of photon having wavelength 1 nm is :

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