Why does light refract when it encounters the glass in a lens? A) because it speeds up, which causes it to bend B) because it slows down, which causes it to bend C) because it hits a dense medium, which causes it to bounce off D) because it gets absorbed, which causes it to lessen in intensity Eliminate

Answers

Answer 1

Answer: The best, realistc, idealistic, naturalistic and pragmatic choice is definately B)

A lens refracts light by decreasing and turning it with interest to the standard line, a position at a fit point to the exterior of the eyeglass.

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The shortest wavelengths occur in the:red end of the spectrumblue end of the spectrummiddle of the spectrum The light-gathering capacity of a telescope is dependent upon the:magnificationfocal lengthsize of human irisarea of aperture

Answers

The shortest visible wavelength is the last color you can see
at the blue end of the spectrum.

The light-gathering capacity of a telescope depends on the area
of the main lens in the front, or the main mirror in the back.
That's also the area of the opening of the tube, called the 'aperture'.

How do you find the mass in this equation Weight=mass*gravity

Answers

Weight=mass*gravity

If you know the weight and gravity, you can easily find the mass by switching up the equation:

m = w/g
Mass = weight/gravity

There, you could find the mass with the following equation.

An element found in period 4 would have how many energy levels/shells?

Answers

The amount of shells isn't determined by the period. A period 4 element would have either 3 or 4 shells, since as you move along the periodic table 1 electron is added each time.

A wave's frequency is 2Hz and its wavelength is 4 m. What is the wave's speed?

Answers

Wave speed = (wavelength) x (frequency)

= (4 m) x (2 /sec)

= 8 m/sec

Final answer:

The speed of a wave is calculated by multiplying the frequency by the wavelength. For a wave with a frequency of 2Hz and a wavelength of 4m, the speed is 8m/s.

Explanation:

The subject of your question is Physics, specifically the behavior of waves. The speed of a wave can be calculated using the equation speed = frequency ×wavelength. Given that the frequency of your wave is 2Hz (hertz) and the wavelength is 4m (meters), we substitute these values into our equation.

Thus, the speed of the wave is 2Hz × 4m = 8 m/s. Therefore, the wave is moving at a speed of 8 meters per second.

Learn more about Wave Speed here:

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How can you increase the momentum of an object? Explain.

Answers

if you increase either mass or velocity the momentum of an object increases proportionally if you double the mass or velocity you double the momentum.

Mass and velocity are both directly proportional to the momentum. If you increase either mass or velocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum.

The momentum is given by:

P=mv

Where P is momentum.

m is mass and v is velocity.

Therefore, the momentum is increased either by increasing mass or velocity.

To know more about momentum:

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if you increase either mass or velocity the momentum of an object increases proportionally if you double the mass or velocity you double the momentum

35m/s west can be an answer in velocity true or false