Photoelectric Effect, Waves & Quantiztion Flashcards

1
Q

What does accuracy mean?

A

How close a measurement is to the true value

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2
Q

What does precision mean?

A

How close the same measurements are to each other

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3
Q

What does quantization apply to?

A

Coins, people, electrons and energy

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4
Q

What is the first wave nature of light?

A

1) Reflection

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5
Q

What is the second wave nature of light?

A

2) Refraction

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6
Q

What is the third wave nature of light?

A

3) Inference

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7
Q

What is the fourth wave nature of light?

A

4) Interference and Diffraction

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8
Q

Constructive vs. Destructive

A

Involves Inference

Constructive- waves in phase produce a bright region

Destructive- waves out of phase produce a dark region

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9
Q

What is wavelength?

A

Distance between crest & crest

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10
Q

What is velocity?

A

Distance moved by wave crest per unit time

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11
Q

What is frequency?

A

Number of wave crest per unit time

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12
Q

What produces the electromagnetic spectrum?

A

Wavelength and frequency varying

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13
Q

Name the order of the electromagnetic spectrum

A
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14
Q

Whats the frequency equation?

A

Speed of light over wave length

OR

Velocity over wavelength

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15
Q

What is black body radiation?

A

Its electromagnetic radiation depends upon temperature for its wave lengths and colors to be emitted, not surface composition

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16
Q

What is photoelectric effect?

A

Occurs when a light is shone on a metal and electrons get ejected if threshold frequency is passed

17
Q

Name each colors wavelength

A
18
Q

When temp increases what happens?

A

Frequency increases parallely

19
Q

What is proportional to energy of a photon?

A

Frequency is directly proportional to the energy of a photon

20
Q

Because photons are massless, what is their velocity?

A

Speed of light

21
Q

What is the speed of a particle related to?

A

To its wavelength

22
Q

The higher the wavelength the lower the what?

A

Frequency

23
Q

How are wavelength and energy related

A

They are inversely related to each other

24
Q

What is conservation of energy?

A

Energy cannot be created nor destroyed, only transferred from one source to another