3 years ago

Scientific laws and theories cannot change. They are absolute fact. True or false?

1 answer:

3 0

The answer would be False, because theories change all the time.

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Alex Ar [27]

C) light waves travel faster than sound waves

You were correct

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4 years ago

Sergeeva-Olga [200]

Answer:

counter question if you get out the shower clean then how does your towel get dirty?

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4 years ago

AveGali [126]

Answer:

$\lambda=1.03\times 10^{-3}\ m$

Explanation:

Given that,

The energy of the microwave oven is $1.2\times 10^{-3}\ eV$ .

We need to find the wavelength of these photons.

$1.2\times 10^{-3}\ eV=1.2\times 10^{-3}\times 1.6\times 10^{-19}\\\\=1.92\times 10^{-22}\ J$

The energy of a wave is given by :

$E=\dfrac{hc}{\lambda}\\\\\lambda=\dfrac{hc}{E}$

Put all the values,

$\lambda=\dfrac{6.63\times 10^{-34}\times 3\times 10^8}{1.92\times 10^{-22}}\\\\\lambda=1.03\times 10^{-3}\ m$

So, the wavelength of these photon is $1.03\times 10^{-3}\ m$ .

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3 years ago

vovikov84 [41]

Answer:

what are you saying man. They do provide structure.

Explanation:

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4 years ago

Fed [463]

//////Correct answer is C.///////

6 0

4 years ago