Question

# Q1) The lowest frequency available on a radio's AM dial is 570 kilohertz (kHz). What is...

Q1) The lowest frequency available on a radio's AM dial is 570 kilohertz (kHz). What is the wavelength of this light?

Select one:

a. 1.8 X 10-6 m

b. 5.3 X 102 m

c. 1.8 X 10-7 m

d. 5.3 X 104 m

e. 1.9 X 10-3 m

Q2) Many handheld laser pointers emit 650 nm light. What is the frequency of this light?

Select one:

a. 5.1 X 10-3 Hz

b. 2.2 X 10-15 Hz

c. 4.6 X 1014 Hz

d. 2.0 X 102 Hz

e. 1.5 X 106 Hz

Q3)

Place the following regions of the electromagnetic spectrum in order from longest to shortest wavelength.

Select one:

a. raido>microwave>visible>uv>gamma

b. visible>gamma>radio>uv>microwave

c. gamma>microwave>radio>visible>uv

d. uv>visible>microwave>radio>gamma

e. microwave>radio>uv>visible>gamma

Q4) All of the following statements are false EXCEPT

Select one:

a. the energy of a photon of light is inversely proportional to its wavelength.

b. the wavelength of light is directly proportional to the speed of light (in a vacuum).

c. the frequency of light is directly proportional to the speed of light (in a vacuum).

d. the frequency of light is inversely proportional to its energy.

e. the wavelength of light is directly proportional to its frequency.

Q5)

Some digital cordless phones operate at 2.4 GHz (1GHz = 1 X 109 Hz). What is the energy, in joules, of a single 2.4 GHz photon?

Select one:

a. 0.96 J

b. 8.3 x 10-35 J

c. 5.4 x 10-19 J

d. 0.13 J

e. 1.6 x 10-24 J

Q6)

The energy required to break one mole of hydrogen bonds in H2 is 436 kJ. What is the longest wavelength of light that is capable of breaking this bond?

Select one:

a. 274 nm

b. 208 nm

c. 91.7 nm

d. 192 nm

e. 103 nm

Q7)

Calculate the wavelength of the line in the Lyman series that results from the transition n = 3 to n = 1. The Rydberg constant is 2.180 x 10-18 J.

Select one:

a. 91.12 nm

b. 72.81 nm

c. 45.59 nm

d. 136.7 nm

e. 102.5 nm

Q8)

Which of the following electronic transitions would emit the lowest energy photon?

Select one:

a. n = 5 to n = 2

b. n = 5 to n = 4

c. n = 3 to n = 2

d. n = 1 to n = 2

e. n = 2 to n = 1

Q9)

The Schrodinger wave equation

Select one:

a. proves electrons have positive and negative spins.

b. calculates the precise position and momentum of an electron at any given time.

c. can be solved to find the probability of finding an electron in a region of space.

d. proves that photons are particles.

#### Homework Answers

Request Professional Answer

#### Request Answer!

We need at least 10 more requests to produce the answer.

0 / 10 have requested this problem solution

The more requests, the faster the answer.

All students who have requested the answer will be notified once they are available.
Know the answer?
Your Answer:

#### Post as a guest

Your Name:

What's your source?

#### Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
• ### In scenario A, visible light has a wavelength of 700.6 nm. Determine its frequency, energy per...

In scenario A, visible light has a wavelength of 700.6 nm. Determine its frequency, energy per photon, and color. frequency: s- 1 energy per photon: J The visible light in scenario A is In scenario B, visible light has a frequency of 5.657 x 10145-! Determine its wavelength, energy per photon, and color. wavelength: nm energy per photon: J The visible light in scenario B is In scenario C, visible light is yellow. Determine its wavelength, frequency, and energy per...

• ### wavelength: In scenario B, visible light has a frequency of 5.502 X 10^-!. Determine its wavelength,...

wavelength: In scenario B, visible light has a frequency of 5.502 X 10^-!. Determine its wavelength, energy per photon, and color. energy per photon: The visible light in scenario B is green. In scenario C, visible light is yellow. Determine its wavelength, frequency, and energy per photon. wavelength: 577.5 frequency: 5.195 x1014 energy per photon: 3.442 x10-19 In scenario D, visible light has a photon energy of 4.261 x 10-19 J. Determine its wavelength, frequency, and color. wavelength: nm frequency:...

• ### 1. Ultraviolet radiation has a frequency of 6.8 x 101 1/3. Calculate the energy

.1. Ultraviolet radiation has a frequency of 6.8 x 101 1/3. Calculate the energy, in joules, of the photon. 2. Find the energy, in joules per photon, of microwave radiation with a frequency of 7.91 x 10101/s. 3. A sodium vapor lamp emits light photons with a wavelength of 5.89 x 10m. What is the energy of these photons? 4. One of the electron transitions in a hydrogen atom produces infrared light with a wavelength of 7.464x 10m. What amount of energy causes...

• ### Learning Goal: To understand electromagnetic radiation and be able to perform calculations involving wavelength, frequency, and...

Learning Goal: To understand electromagnetic radiation and be able to perform calculations involving wavelength, frequency, and energy. Several properties are used to define waves. Every wave has a wavelength, which is the distance from peak to peak or trough to trough. Wavelength, typically given the symbol A (lowercase Greek "lambda"), is usually measured in meters. Every wave also has a frequency, which is the number of wavelengths that pass a certain point during a given period of time. Frequency, given...

• ### a) An electron has been accelerated through an electrical potential of 50 kev from rest. What...

a) An electron has been accelerated through an electrical potential of 50 kev from rest. What is the kinetic energy of the electron in Joules? A) 8 E-15 J B) 4 E-20 J C) 8 E 15 J D) Not enough information b) The electron from question 1 encounters a nucleus and undergoes a elastic collision that alters its' trajectory. After the collision the electron has a kinetic energy of 40 kev. What is the frequency of the photon that...

• ### 101 102 10 10 10 10 10 10 - Increasing Frequency (v) 10 10 101 102 10v (Hz) Xrays UV || TR Microwave FM AM Long radi...

101 102 10 10 10 10 10 10 - Increasing Frequency (v) 10 10 101 102 10v (Hz) Xrays UV || TR Microwave FM AM Long radio waves Radio waves 10 10 10-2 10 10 10 101 102 (m) 101 102 104 10' Increasing Wavelength () ► Visible spectrum 500 600 Increasing Wavelength() in nm -- Hz A wave has a wavelength of 1.00 E 14 meters. The frequency of the wave is A wave has a frequency of 7.11...

• ### Question 3: Properties of light (30 points) The energy of one photon of the microwaves in...

Question 3: Properties of light (30 points) The energy of one photon of the microwaves in home microwave ovens is 2.45 x 10-23 J. (c=av, E = hv, h = 6.626 x 10-34 J·s, c = 3.00 x 108 m/s) (a) What is the wavelength of this microwave photon? (b) Is this radiation more or less energetic than radio wave with frequency of 1.98 x 100 Hz? Use the energy calculations to support your answer. (c) Does this radiation have...

• ### Which one of the following has the highest frequency?

Example 1: The electromagnetic spectrum of light is often arranged in terms of frequency. Which one of the following has the highest frequency? a. Visible light b. Microwaves c. infrared light d. Gamma rays e. radio waves f. X-rays g. Ultraviolet light Example 2: The electromagnetic spectrum of light is often arranged in terms of wavelength. Which one of the following has the longest wavelength? a. Visible light b. Microwaves c. infrared light d. Gamma rays e. radio waves f. X-rays g. Ultraviolet light Example 3: Which one of the following has the fastest speed? a. Visible...

• ### The Electromagnetic Spectrum 7. Find the frequency and energy for a photon of light with a...

The Electromagnetic Spectrum 7. Find the frequency and energy for a photon of light with a wavelength of 370 nm. 8. A photon of light has an energy of 1.83 x 10-18 J. What is the wavelength of this light? Does this light fall in the IR, visible, or UV region of the electromagnetic spectrum? 9. The Bohr model described electrons in orbit. Quantum mechanics describes electrons in orbitals. What is the difference between these two terms?

• ### Consider the four scenarios involving visible light.

Consider the four scenarios involving visible light. In scenario A, visible light has a wavelength of 715.3 nm. Determine its frequency, energy per photon, and color. frequency: energy per photon: The visible light in scenario A is In scenario B, visible light has a frequency of 5.510 x 1014 S-1. Determine its wavelength, energy per photon, and color. wavelength: energy per photon: The visible light in scenario B is In scenario C, visible light is yellow. Determine its wavelength, frequency, and energy per photon. wavelength: frequency: energy per photon: wavelength: In scenario D. visible light...

ADVERTISEMENT
Free Homework Help App

Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?

Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT