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3 years ago

What is thermonuclear fusion?

Physics

2 answers:

igor_vitrenko [27]3 years ago

8 0

Thermonuclear fusion is when matter is heated to a high degree

algol133 years ago

6 0

Thermonuclear fusion is a way of achieving nuclear fusion using extremely high temperatures. There are two types of thermonuclear fusion, controlled and uncontrolled.

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our lens manufacturer can only produce lenses with diopter 1d, 2d, 3d, and 4d. if you want to focus incoming parallel light rays

pochemuha

Two lenses that should be purchased are lenses with the power of 1d and 4d or 2d and 3d.

We need to know about the power of the lens to solve this problem. Lens power can be defined as the ability of the optical device to see. It can be represented by a dioptre unit. The relaxed power formula is

P = 1 / f

where P is the power of the lens in dioptre, and f is the focal length.

From the question above, the given parameter is

f = 0.2 m

By substituting the given parameters, we can calculate the power of the lens

P = 1 / f

P = 1 / 0.2

P = 5d

The total diopter should be 5d.

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6 0

1 year ago

5 milligrams into quintal

Greeley [361]

Answer:

divide the mass value by 1e+8

4 0

3 years ago

A cube has a density of 1900 kg/m 3 kg/m3 while at rest in the laboratory. What is the cube's density as measured by an experime

Deffense [45]

Answer:

4847.94844926 kg/m³

Explanation:

$\rho'$ = Actual density of cube = 1900 kg/m³

$\rho$ = Density change due to motion

v = Velocity of cube = 0.92c

c = Speed of light = $3\times 10^8\ m/s$

Relativistic density is given by

$\rho=\dfrac{\rho'}{\sqrt{1-\dfrac{v^2}{c^2}}}\\\Rightarrow \rho=\dfrac{1900}{\sqrt{1-\dfrac{0.92^2c^2}{c^2}}}\\\Rightarrow \rho=\dfrac{1900}{\sqrt{1-0.92^2}}\\\Rightarrow \rho=4847.94844926\ kg/m^3$

The cube's density as measured by an experimenter in the laboratory is 4847.94844926 kg/m³

3 0

3 years ago

Radio waves have a _____ frequency and a _____ wavelength.

Semenov [28]

Radio waves have a low frequency and a long wavelength. (A. low; long)

Explanation:

Electromagnetic waves are periodic oscillations of the the electric and the magnetic field in a plane perpendicular to the direction of motion the wave.

All electromagnetic waves travel in a vacuum at the same speed, which is known as the speed of light:

$c=3.0\cdot 10^8 m/s$

Electromagnetic waves are also divided into 7 different types, according to their wavelength and frequency. From shortest to longest wavelength (and therefore, from highest to lowest frequency), we have:

Gamma rays

X rays

Ultraviolet

Visible light

Infrared radiation

Microwaves

Radio waves

As we can see from the list, radio waves are the waves with lowest frequency and longest wavelength. They are used in telecommunications, satellite communications, and in general in long-distance transmission of signals. So, the correct answer is

Radio waves have a low frequency and a long wavelength.

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3 0

3 years ago

Which is a sign of a chemical change?

Molodets [167]

Answer: When chemical change occurs you will see like, the change of color or bubbles will form, the temperature will change, and maybe the odor too.

5 0

3 years ago

Read 2 more answers

What is thermonuclear fusion?​

What is thermonuclear fusion?