Simple Harmonic Motion Answers

1

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Which best explains how the diffraction pattern observed in Young’s experiment supports the wave theory of light?

A

The pattern was caused by light moving in a straight path.

B

The pattern was caused by light being separated into colors.

C

The pattern was caused by the interference of waves.

D

The pattern was caused by the reflection of waves.

2

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Wilam made a chart to summarize the results of experiments with the photoelectric effect.

A

The first result should state that frequencies of light that were lower than the frequency threshold of the metal could not eject electrons.

B

The first result should state that frequencies of light that were lower than the frequency threshold of the metal could not eject electrons.

C

The second result should state that as soon as light struck the metal, protons were ejected.

D

The second result should state that as soon as light struck the metal, protons were ejected.

E

The second result should state that just before light struck the metal, electrons were ejected.

F

The second result should state that just before light struck the metal, electrons were ejected.

G

The third result should state that the kinetic energy of the ejected electrons depends only on the frequency of the photons.

H

The third result should state that the kinetic energy of the ejected electrons depends only on the frequency of the photons.

3

What is the smallest packet of electromagnetic energy that can be absorbed or emitted?

A

a proton

B

an electron

C

a photon

D

a wave

4

Which of the following would most benefit from quantum computing?

A

animating cartoons

B

running a cash register

C

protecting a device from a cyberattack

D

determining the colors found in a rainbow

5

Which phenomena support only the particle theory of light? Select 2 options.

A

reflection

B

bending around objects

C

traveling in a straight path

D

interference

E

photoelectric effect

6

Which observation supports the idea that light is made of particles?

A

Light is produced by the interaction of magnetic and electric fields.

B

Light spreads out after passing through an opening.

C

Light diffracts when it hits a barrier.

D

Light moves in a straight path.

7

Heinrich Hertz used properties of which type of wave to support the idea that light is also made of waves?

A

infrared

B

gamma

C

microwave

D

radio

8

What is the energy of a photon with a frequency of 3.6 × 1015 Hz? Planck’s constant is 6.63 × 10–34 J•s.

A

1.8 × 10–49 J

B

2.4 × 10–19 J

C

1.8 × 10–18 J

D

2.4 × 10–18 J

9

Which describes a relationship when calculating the energy of a photon?

A

The energy of the photon is directly proportional to frequency.

B

The energy of the photon is inversely proportional to frequency.

C

As the energy of the photon increases, Planck’s constant increases.

D

As the energy of the photon increases, Planck’s constant decreases.

10

Which describes the results of the double slit experiment? Select 2 options.

A

Waves produced a diffraction pattern.

B

Results supported the wave theory of light.

C

Results demonstrated the relationship between electric and magnetic fields.

D

Beams of light separated as they passed through a prism.

E

Results supported the particle theory of light.

11

One quantum particle is in the same position as another quantum particle. Which of the following principles is this an example of?

A

principle of uncertainty

B

principle of superposition

C

principle of the duality of light

D

principle of the polarization of waves

12

As part of the photoelectric effect, which of these is responsible for the pixels in an image on a digital camera?

A

accumulated electrons that are absorbed by the image sensor

B

accumulated electrons that are absorbed by the image sensor

C

accumulated electrons that are ejected by the image sensor

D

accumulated electrons that are ejected by the image sensor

E

accumulated photons that are ejected by the image sensor

F

accumulated photons that are ejected by the image sensor

G

accumulated photons that are absorbed by the image sensor

H

accumulated photons that are absorbed by the image sensor

13

A photon has 3.4 × 10–18 joules of energy. Planck’s constant is 6.63 × 10–34 J•s.

A

5.12 × 10–15 Hz

B

1.95 × 1016 Hz

C

5.12 × 1015 Hz

D

1.95 × 10–16 Hz

14

What is the formula for calculating the energy of a photon?

A

E = h – f

B

E =

C

E = h + f

D

E = hf

15

How does refraction support the particle theory of light?

A

Particles bounce off surfaces similar to the way in which a ball bounces off a wall.

B

Light slows down and bends when it moves from a less dense to a more dense medium.

C

Forces act on the particles to push or pull them from one medium to another.

D

As light passes through an opening, it spreads out in all directions.

16

Which phenomena support only the wave theory of light? Select 2 options.reflectionrefractiondiffractioninterferencephotoelectric effect

A

reflection

B

refraction

C

diffraction

D

interference

E

photoelectric effect

Simple Harmonic Motion Answers

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