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Makovka662 [10]
3 years ago
15

PLS HELP FOR PHYSICS

Physics
2 answers:
makvit [3.9K]3 years ago
8 0
Light is a particle and wave
Lorico [155]3 years ago
8 0

Answer:

The answer is the second option, Light is both a particle and a wave.

Explanation:

The first option is incorrect because Light and electrons aren't the same thing, One of the main reasons why is that particles of light which are called photons do not have any mass, while electrons have a negligible mass, but they still have some mass.

Both the third and fourth options are incorrect because Light is both a particle and a wave and they're not mutually exclusive as light behaves like a wave on some experiments and light behaves like a particle in some experiments.

Extra knowledge:

In my opinion, you could almost say that Light is kind of like Schrodinger's cat, if you place a cat inside the radioactive chamber until you open the chamber you would not know that whether the cat is dead or alive, so technically the cat is both dead and alive.

In the same way Light behaves as a wave and a particle and you won't be able to find out which unless you conduct an experiment.

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Answer: Their dna would be part of ares and possibly cause mutations in our bodys

Explanation:

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1. If a model train car with a momentum of 12 kg•m/s collides with a 2 kg model train car that is not moving, what is the total
wariber [46]

Answer:

P_{f} = 12 \ kg.m/s

Explanation:

Given data:

Momentum of moving model train, P_{1} = 12 \ kg.m/s

Mass of the stationary model train, m = 2 \ kg

Initial speed of the stationary model train, v = 0

Assume there is no external force is acting on the given train system.

In this case, the total linear momentum of the trains would be conserved.

Let the final linear momentum of the trains be P_{f}.

Thus,

P_{i} = P_{f}

P_{1} + P_{2} = P_{f}

P_{1} + mv = P_{f}

12 + 2 \times 0 = P_{f}

\Rightarrow \ P_{f} = 12 \ kg.m/s.

7 0
3 years ago
A circular loop of radius 11.7 cm is placed in a uniform magnetic field. (a) If the field is directed perpendicular to the plane
Mama L [17]

Answer:

Magnetic field, B = 0.199 T

Explanation:

It is given that,

Radius of circular loop, r = 11.7 cm = 0.117 m

Magnetic flux through the loop, \phi=8.6\times 10^{-3}\ T/m^2

The magnetic flux linked through the loop is :

\phi=B.A

\phi=BA\ cos\theta

Here, \theta=0

B=\dfrac{\phi}{A}

or

B=\dfrac{\phi}{\pi r^2}

B=\dfrac{8.6\times 10^{-3}}{\pi (0.117 )^2}

B = 0.199 T

So, the strength of the magnetic field is 0.199 T. Hence, this is the required solution.

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3 years ago
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Evidence is <span>the facts or information that shows and supports a statement. WIth evidence, you can prove that what you say is true/valid.</span>
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