A few alpha particles arc scattered backward from a thin gold foil 2. Electrons

Question

A few alpha particles arc scattered backward from a thin gold foil 2. Electrons passing through two slits produce an interference pattern 3. A tube of hot neon gas produces many red lines in its spectrum. 4. Photoelectric effect 5. X-rays have a longer wavelength when scattered by an electron in an atom 6. Most wavelengths of light pass through cool hydrogen gas. A. Light has momentum B. Light has a particle nature C. Matter has wave nature D. Size of nucleus E. Distribution of matter within an atom F. Matter exists in quantum states

Explanation / Answer

a) A few alpha particles scattered backwards------size of nucleus

b) electron spasing throgh two slits ------matter has a wave nature

c) a tube of hot neon gas-----------matter exist in qunatum states

d) photoelectric effect ---------light has particle nature

e)X -rays have a longer wavelength when scatteerd by electron -----light has momentum

f) most wavelength of light pass through cool hydrogen gas----distibution of matter within the atom

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