4 years ago

Which lists three parts of sunlight that make up some of the visible spectrum?

Physics

2 answers:

Svetlanka [38]4 years ago

7 0

Sunlight is broken into 3 concepts visible light, ultraviolet light, and infrared radiation

Mars2501 [29]4 years ago

5 0

Answer:

Green, Blue, Indigo

Explanation:

I took the test

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The distance between the ruled lines on a diffraction grating is 1900 nm. The grating is illuminated at normal incidence with a

SashulF [63]

Answer:

3.28 degree

Explanation:

We are given that

Distance between the ruled lines on a diffraction grating, d=1900nm= $1900\times 10^{-9}m$

Where $1nm=10^{-9} m$

$\lambda_2=400nm=400\times10^{-9}m$

$\lambda_1=700nm=700\times 10^{-9}m$

We have to find the angular width of the gap between the first order spectrum and the second order spectrum.

We know that

$\theta=sin^{-1}(\frac{m\lambda}{d})$

Using the formula

m=1

$\theta_1=sin^{-1}(\frac{1\times700\times 10^{-9}}{1900\times 10^{-9}})$

$\theta=21.62^{\circ}$

Now, m=2

$\theta_2=sin^{-1}(\frac{2\times400\times 10^{-9}}{1900\times 10^{-9}})$

$\theta_2=24.90^{\circ}$

$\Delta \theta=\theta_2-\theta_1$

$\Delta \theta=24.90-21.62$

$\Delta \theta=3.28^{\circ}$

Hence, the angular width of the gap between the first order spectrum and the second order spectrum=3.28 degree

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3 years ago

What is the amount of the force accelerate a 20kg object at a rate of 5m/s

Anni [7]

Answer:

100 N is the answer of the question

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3 years ago

A bus travels a distance of 120 km with a speed of 40km per hour and returns with a speed of 30km per hour calculate the average

Vsevolod [243]

Answer:

35 km/hr

Explanation:

Average speed = (total of the speed)/(the sets of speeds given)

Direction does not matter in this instance since speed is only magnitude,

Average speed = (30 + 40)/2

Average speed = 70 ÷ 2

= 35 km/hr

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3 years ago

What would you use to to measure the weight of a truck?? I’m needing a word that is 8 letters long

myrzilka [38]

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Do all metals stick to magnets? Give an example. I NEED HELP FASTT

ludmilkaskok [199]

Answer:

Explanation:

Not all metals stick to magnets. Like aluminum. if you were to stick a magnet on to an aluminum it would fall off.

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3 years ago