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stellarik [79]
4 years ago
15

How many justified by Bohr model?

Physics
1 answer:
Dominik [7]4 years ago
3 0

X-ray formation

Energy difference in the first ionization of the same group of elements

Differential linear emission spectra of different elements

Explanation:

The formation of x-ray, energy difference in the first ionization of the same group of elements and differential linear emission spectra of different elements can be justified by the Bohr model of the atom.

  • According to Neil Bohr, in an atom, the extranuclear part consists of electrons in specific spherical orbits around the nucleus.
  • Bohr's model explained the discrete lines in atomic spectrum of different elements.
  • Due to excitation of electrons, some rays are given off. Some of these are energetic like x-rays.
  • The energy difference between the first ionization of the same group of elements is a proof that electrons are in specific spherical orbits.
  • The higher the energy the level, the ease at which electrons can be removed and the lower the ionization energy.

Learn more:

Bohr model of the atom brainly.com/question/4986277

#learnwithBrainly

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3 years ago
Place the following in order, from closest to furthest away:
Ganezh [65]

The order from closest to furthest away include the following:

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<h3>What is Kuiper belt?</h3>

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The  Oort cloud has a distance of between 2,000 and 10,000 thereby making it the farthest which is why the correct order is B, A and C.

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7 0
2 years ago
A car starts from rest and accelerates at 4 m/s^2 for 8 s, after which it continues at constant speed for 19 s. How far would it
ser-zykov [4K]

Answer:

The total distance traveled is 736 m

Solution:

According to the question:

Initial velocity, v = 0

(since, the car is starting from rest)

acceleration, a = 4 m/s^{2}

Time taken, t = 8 s

Now, the distance covered by it in 8 s is given by the second eqn of motion:

d = vt + \farc{1}{2}at^{2}

d = 0.t + \farc{1}{2}4\times 8^{2} = 128 m

Now, to calculate the velocity, we use eqn 1 of motion:

v' = v + at

v' = 0 + 4(8) = 32 m/s

Now, the distance traveled by the car with uniform velocity of 32 m/s for t' = 19 s:

distance, d' = v't'

d' = 32\times 19 = 608 m

Total distance traveled = d + d' = 128 + 608 = 736 m

4 0
3 years ago
When a force of 2.4 newtons is applied to a spring, the extension is 0.4 m. What is the spring constant?
Neko [114]

Answer:

6N/m

Explanation:

k = Fe

f = 2.4

e = 0.4

2.4 ÷ 0.4

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5 0
3 years ago
Explain in detail , four physical properties of metals​
astraxan [27]

Answer:

Explanation:

Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. Metalloids have mixed properties which are difficult to characterize. Conductivity: Semi-conductive.

3 0
3 years ago
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