When two hydrogen nuclei combine to form one helium nucleus, nuclear fusion has taken place.. . True or False
2 answers:
Answer: The given statement is true.
Explanation:
When two small nuclei combine together and result in the formation of a larger nuclei then this process is known as nuclear fusion.
For example,
Therefore, the statement when two hydrogen nuclei combine to form one helium nucleus, nuclear fusion has taken place, is true.
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<u>Answer:</u> The wavelength of spectral line is 656 nm
<u>Explanation:</u>
To calculate the wavelength of light, we use Rydberg's Equation:
Where,
= Wavelength of radiation
= Rydberg's Constant =
= Final energy level = 2
= Initial energy level = 3
Putting the values in above equation, we get:
Converting this into nanometers, we use the conversion factor:
So,
Hence, the wavelength of spectral line is 656 nm