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3 years ago

Protons are______ charged particles.

Physics

2 answers:

Verizon [17]3 years ago

5 0

Answer: Protons are positively charged particles

Explanation:

7nadin3 [17]3 years ago

4 0

Positive charged partials

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A photon detector captures a photon with an energy of 4.29 ✕ 10−19 J. What is the wavelength, in nanometers, of the photon?

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Answer : The wavelength of photon is, $4.63\times 10^{2}nm$

Explanation : Given,

Energy of photon = $4.29\times 10^{-19}J$

Formula used :

$E=h\times \nu$

As, $\nu=\frac{c}{\lambda}$

So, $E=h\times \frac{c}{\lambda}$

where,

$\nu$ = frequency of photon

h = Planck's constant = $6.626\times 10^{-34}Js$

$\lambda$ = wavelength of photon = ?

c = speed of light = $3\times 10^8m/s$

Now put all the given values in the above formula, we get:

$4.29\times 10^{-19}J=(6.626\times 10^{-34}Js)\times \frac{(3\times 10^{8}m/s)}{\lambda}$

$\lambda=4.63\times 10^{-7}m=4.63\times 10^{-7}\times 10^9nm=4.63\times 10^{2}nm$

Conversion used : $1nm=10^{-9}m$

Therefore, the wavelength of photon is, $4.63\times 10^{2}nm$

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3 years ago

Does sunlight really take 8 minutes to reach your eyes?

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Communication with submerged submarines via radio waves is difﬁcult because seawater is conductive and absorbselectromagnetic wa

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Answer:

D. 4000 km

Explanation:

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