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Wave Optics

Question

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In ₈₈Ra²²⁶ nucleus, there are
138 protons and 88 neutrons
138 neutrons and 88 protons
226 protons and 88 electrons
226 neutrons and 138 electrons

Solution

B.

138 neutrons and 88 protons

Some More Questions From Wave Optics Chapter

The positively charged part of the atom possesses most of the mass in ___________ (Rutherford's model/both the models).

Suppose you are given a chance to repeat the alpha-particle scattering experiment using a thin sheet of solid hydrogen in place of the gold foil. (Hydrogen is a solid at temperatures below 14 K.) What results do you expect?

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