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3 years ago

12

What all is on the physics sol does anyone know so i can study for it or does anyone know a good website to study on cause i hav

e my sol today and need to study for it majorly i dont wanna fail

1 answer:

mafiozo [28]3 years ago

5 0

Go on answers.com hope this helped give me brialinests since im the only one that helped and tell me when u did<span />

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Consider the following three statements: (i) For any electro-magnetic radiation, the product of the wavelength and the frequency

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Answer:

A and B

Explanation:

The relation between frequency and wavelength is shown below as:

$c=frequency\times Wavelength$

c is the speed of light having value $3\times 10^8\ m/s$

Thus, the product of the wavelength and the frequency is constant and equal to $3\times 10^8\ m/s$

<u>Option A is correct.</u>

Given, Frequency = $1\times 10^{18}\ Hz$

Thus, Wavelength is:

$Wavelength=\frac{c}{Frequency}$

$Wavelength=\frac{3\times 10^8}{1\times 10^{18}}\ m$

$Wavelength=3\times 10^{-10}\ m$

Also, 1 m = $3\times 10^{-10}$ Å

So,

<u>Wavelength = 3.0 Å</u>

<u>Option B is correct.</u>

As stated above, the speed of electromagnetic radiation is constant. Hence, each radiation of the spectrum travels with same speed.

<u>Option C is incorrect.</u>

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What is the technology used behind scanning probe microscopes?

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Answer:

The Nucleus

Explanation:

Protons and Neutrons are found in the nucleus of an atom.

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