The elementary charge equals 1.6 x 10^-9 C. a. True b. False
1 answer:
Answer:
False
Explanation:
The magnitude of electric charge carried by an electron as well as proton is called elementary charge. Both the electron and proton have the same charge but the difference is that the electrons are negatively charged species and the protons are positively charged.
The elementary charge is equal to . Hence, the given statement "The elementary charge equals
" is false.
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Answer:
The shift in the emission spectra of the relative velocity between the star and our planet, is called the relativistic doppler effect
Explanation:
The absorption and emission spectra are measured differently, the emission spectrum is the spectrum emitted by the star and the absorption spectrum is the absorption of these lines by the gases of our atmosphere, this absorption occurs for relatively broad Δλ.
The shift in the emission spectra of the relative velocity between the star and our planet, is called the relativistic doppler effect and has a red shift if the star moves away from us.
Answer:
D
Explanation:
The left side of the graph is the reactants, C(s)+2S(s). The right side of the graph is the product, CS₂(l). Adding energy to the reactants will yield the product, so the product must have more energy than the reactants. Therefore, the answer must be D.
When energy is absorbed by a reaction rather than released, it's called an endothermic reaction.
