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2 years ago

Hello boys and girls plz help me with this question ASAP Thank you so much

Physics

1 answer:

Alex17521 [72]2 years ago

6 0

Answer:

Blue

Explanation:

The colors of the rainbow are known by the acronym; ROYGBIV.

This is;

Red, Orange, Yellow, Green, Blue, Indigo, and Violet.

From research, their respective wavelengths on the average are;

Red: 665 nm

Orange; 630 nm

Yellow; 600 nm

Green; 550 nm

Blue; 470 nm

Indigo; from 445nm to 464 nm

Violet; less than 400 nm

This means that from Red to Violet in that order, wavelength is decreasing in a descending order.

Now in refraction, the light with shortest wavelength will be bent the most while that with longest wavelength will be bent the least.

Thus, violet bends the most.

However, violet is not included in the options. So the next one that will bend the most after violet among the options given is Blue.

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In a nuclear physics experiment, a proton (mass 1.67×10^(−27)kg, charge +e=+1.60×10^(−19)C) is fired directly at a target nucleu

Arte-miy333 [17]

The given question is incomplete. The complete question is as follows.

In a nuclear physics experiment, a proton (mass $1.67 \times 10^(-27)$ kg, charge +e = $+1.60 \times 10^(-19)$ C) is fired directly at a target nucleus of unknown charge. (You can treat both objects as point charges, and assume that the nucleus remains at rest.) When it is far from its target, the proton has speed $2.50 \times 10^6$ m/s. The proton comes momentarily to rest at a distance $5.31 \times 10^(-13)$ m from the center of the target nucleus, then flies back in the direction from which it came. What is the electric potential energy of the proton and nucleus when they are $5.31 \times 10^{-13}$ m apart?

Explanation:

The given data is as follows.

Mass of proton = $1.67 \times 10^{-27}$ kg

Charge of proton = $1.6 \times 10^{-19} C$

Speed of proton = $2.50 \times 10^{6} m/s$

Distance traveled = $5.31 \times 10^{-13} m$

We will calculate the electric potential energy of the proton and the nucleus by conservation of energy as follows.

$(K.E + P.E)_{initial}$ = $(K.E + P.E)_{final}$

$(\frac{1}{2} m_{p}v^{2}_{p}) = (\frac{kq_{p}q_{t}}{r} + 0)$

where, $\frac{kq_{p}q_{t}}{r} = U = Electric potential energy$

U = $(\frac{1}{2}m_{p}v^{2}_{p})$

Putting the given values into the above formula as follows.

U = $(\frac{1}{2}m_{p}v^{2}_{p})$

= $(\frac{1}{2} \times 1.67 \times 10^{-27} \times (2.5 \times 10^{6})^{2})$

= $5.218 \times 10^{-15} J$

Therefore, we can conclude that the electric potential energy of the proton and nucleus is $5.218 \times 10^{-15} J$ .

4 0

3 years ago

Which of the following statements is accurate?

cupoosta [38]

Answer: A and B

Explanation:

The wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

Because wavelength is the distance between the two successful crest or trough.

Amplitude of longitudinal waves is measured at right angles to the direction of the travel of the wave and represents the maximum distance the molecule has moved from its normal position.

Because amplitude is the measure of maximum displacement from the original position

4 0

2 years ago

Explain why the boiling point of a liquid varies with atmospheric pressure

OLEGan [10]

The boiling point of water, or any liquid, varies according to the surrounding atmospheric pressure. A liquid boils, or begins turning to vapor, when its internal vapor pressure equals the atmospheric pressure.

5 0

2 years ago

Conduction can only happen when objects are in:

serious [3.7K]

Answer:

When it’s gravitational

Explanation:

I’m pretty sure that’s the answer

5 0

2 years ago

Read 2 more answers

Anyone please help me with this question ASAP

Katyanochek1 [597]

Answer:

increases

Explanation:

it would have to work harder to get to two points together

7 0

3 years ago