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Vinil7 [7]
3 years ago
8

How does light determine whether it acts as a particle or a wave?

Physics
2 answers:
pishuonlain [190]3 years ago
5 0
Great question. Albert Einstein proved that light acts as both a particle and a wave in his 1905 paper. This is called wave-particle duality. 
With quantum mechanics, it is easy to prove that light behaves as both a particle and a wave. 
When UV light hits a metal surface, it causes an emission of electrons. This "photoelectric effect" proves how light behaves. 
murzikaleks [220]3 years ago
5 0
Light doesn't need to decide. It simply behaves both ways at the same time.
If you create an experiment that can detect particles and run light through it, the experiment detects particles.
If you build an experiment that can detect waves and run light through it, the experiment detects waves.
Wierd but true.
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mark me brainliestt :))

7 0
2 years ago
Read 2 more answers
A system gains 767 kJ of heat, resulting in a change in internal energy of the system equal to +151 kJ. How much work is done?
Crazy boy [7]

Answer:

The work done on the system is -616 kJ

Explanation:

Given;

Quantity of heat absorbed by the system, Q = 767 kJ

change in the internal energy of the system, ΔU = +151 kJ

Apply the first law of thermodynamics;

ΔU = W + Q

Where;

ΔU  is the change in internal energy

W is the work done

Q is the heat gained

W = ΔU  - Q

W = 151 - 767

W = -616 kJ (The negative sign indicates that the work is done on the system)

Therefore, the work done on the system is -616 kJ

6 0
3 years ago
a man hits a gold ball (0.205kg) which accelerates at a rate of 20.0 m/s squared. what is the amount of force acted on the ball
Schach [20]

Answer:

<h2>4.1 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 0.205 × 20

We have the final answer as

<h3>4.1 N</h3>

Hope this helps you

7 0
3 years ago
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Sonbull [250]

b. the forces of attraction among them limit their motion.


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Maurinko [17]
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8 0
3 years ago
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