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1.	What are canal rays?
Answer» Canal rays are positively charged radiations. These rays consist of positively charged particles known as protons. They were discovered by Gold stein in 1886.

Discussion

2.	Composition of the nuclei of two atomic species X and Y are given as under `{:(,"X",,"Y"),("Protons"" = ","6",,"6"),("Neutrons"" = ","6",,"8"):}` Give the mass numbers of X and Y. What is the relation between the two species?
Answer» Mass number of X = Number of Photons + Number of neturens = 6+6= 12 Mass number of Y = Number of photons + number of neutron = 6 +8 = 14

Discussion

Explore topic-wise InterviewSolutions in .

What are canal rays?

Composition of the nuclei of two atomic species X and Y are given as under `{:(,"X",,"Y"),("Protons"" = ","6",,"6"),("Neutrons"" = ","6",,"8"):}` Give the mass numbers of X and Y. What is the relation between the two species?