Question 1

The FM station KDUL broadcasts music at 99.1 MHz.Find the wavelength of these waves.

Accepted Answer

A) 1.88 $\times$ 10-2 m 
B) 0.330 m 
C) 3.03 m 
D) 5.33 $\times$ 102 m 
E) > 103 m 
A) 1.88 $\times$ 10-2 m 
B) 0.330 m 
C) 3.03 m 
D) 5.33 $\times$ 102 m 
E) > 103 m

Question 2

Infrared radiation from the sun has a wavelength of 6200 nm.Calculate the energy of one photon of that radiation.

Accepted Answer

A) 4.l $\times$ 10-39 J 
B) 4.l $\times$ 10-30 J 
C) 3.2 $\times$ 10-29 J 
D) 3.2 $\times$ 10-26 J 
E) between 10-20 and 10-19 J 
A) 4.l $\times$ 10-39 J 
B) 4.l $\times$ 10-30 J 
C) 3.2 $\times$ 10-29 J 
D) 3.2 $\times$ 10-26 J 
E) between 10-20 and 10-19 J

Question 3

According to the Rydberg equation,the longest wavelength (in nm)in the series of H-atom lines with
N1 = 3 is

Accepted Answer

A) 1875 nm 
B) 1458 nm 
C) 820 nm 
D) 656 nm 
E) 365 nm 
A) 1875 nm 
B) 1458 nm 
C) 820 nm 
D) 656 nm 
E) 365 nm

Question 4

Interference of light waves

Accepted Answer

A) separates light into its component colors. 
B) creates a pattern of light and dark regions. 
C) focuses a broad beam of light into a point. 
D) bends light as it passes the edge of an object. 
E) creates a laser beam. 
A) separates light into its component colors. 
B) creates a pattern of light and dark regions. 
C) focuses a broad beam of light into a point. 
D) bends light as it passes the edge of an object. 
E) creates a laser beam.

Question 5

In the quantum mechanical treatment of the hydrogen atom,the probability of finding an electron at any point is proportional to the wave function $\varPsi$ .

Accepted Answer

A) True 
 B)False

Question 6

An infrared wave has a wavelength of 6.5 $\times$ 10-4 cm.What is this distance in angstroms,Å?

Accepted Answer

A) 6.5 $\times$ 10-4 Å 
B) 2.2 $\times$ 10-4 Å 
C) 4.6 $\times$ 103 Å 
D) 6.5 $\times$ 104 Å 
E) 6.5 $\times$ 106 Å 
A) 6.5 $\times$ 10-4 Å 
B) 2.2 $\times$ 10-4 Å 
C) 4.6 $\times$ 103 Å 
D) 6.5 $\times$ 104 Å 
E) 6.5 $\times$ 106 Å

Question 7

Which scientist first proposed that particles of matter could have wave properties?

Accepted Answer

A) Einstein 
B) Planck 
C) de Broglie 
D) Compton 
E) Heisenberg 
A) Einstein 
B) Planck 
C) de Broglie 
D) Compton 
E) Heisenberg

Question 8

a.What is the frequency of microwave radiation which has a wavelength of 10.7 cm?
b.What is the energy of one photon of this radiation?

Accepted Answer

a.2.80 @#LAT-DLM& 10⁹

Question 9

The energy of a photon is directly proportional to the wavelength of the radiation.

Accepted Answer

A) True 
 B)False

Question 10

The size of an atomic orbital is associated with

Accepted Answer

A) the principal quantum number (n). 
B) the angular momentum quantum number (l). 
C) the magnetic quantum number (ml). 
D) the spin quantum number (ms). 
E) the angular momentum and magnetic quantum numbers,together. 
A) the principal quantum number (n). 
B) the angular momentum quantum number (l). 
C) the magnetic quantum number (ml). 
D) the spin quantum number (ms). 
E) the angular momentum and magnetic quantum numbers,together.

Question 11

If the energy of a photon is 1.32 $\times$ 10-18 J,what is its wavelength in nm?

Accepted Answer

A) 1.50 $\times$ 10-7 nm 
B) 150.nm 
C) 1.99 $\times$ 1015 nm 
D) 1.99 $\times$ 1024 nm 
E) None of these choices is correct. 
A) 1.50 $\times$ 10-7 nm 
B) 150.nm 
C) 1.99 $\times$ 1015 nm 
D) 1.99 $\times$ 1024 nm 
E) None of these choices is correct.

Question 12

The Rydberg equation,giving the wavelengths of lines in the spectrum of the hydrogen atom,was obtained by assuming that energy is quantized.

Accepted Answer

A) True 
 B)False

The FM station KDUL broadcasts music at 99.1 MHz.Find the wavelength of these waves.

Infrared radiation from the sun has a wavelength of 6200 nm.Calculate the energy of one photon of that radiation.

According to the Rydberg equation,the longest wavelength (in nm)in the series of H-atom lines with N₁ = 3 is

Interference of light waves

In the quantum mechanical treatment of the hydrogen atom,the probability of finding an electron at any point is proportional to the wave function $\varPsi$ .

An infrared wave has a wavelength of 6.5 $\times$ 10^-4 cm.What is this distance in angstroms,Å?

Which scientist first proposed that particles of matter could have wave properties?

a.What is the frequency of microwave radiation which has a wavelength of 10.7 cm? b.What is the energy of one photon of this radiation?

The energy of a photon is directly proportional to the wavelength of the radiation.

The size of an atomic orbital is associated with

If the energy of a photon is 1.32 $\times$ 10^-18 J,what is its wavelength in nm?

The Rydberg equation,giving the wavelengths of lines in the spectrum of the hydrogen atom,was obtained by assuming that energy is quantized.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 7: Quantum Theory and Atomic Structure

The FM station KDUL broadcasts music at 99.1 MHz.Find the wavelength of these waves.

Infrared radiation from the sun has a wavelength of 6200 nm.Calculate the energy of one photon of that radiation.

According to the Rydberg equation,the longest wavelength (in nm)in the series of H-atom lines with N1 = 3 is

Interference of light waves

In the quantum mechanical treatment of the hydrogen atom,the probability of finding an electron at any point is proportional to the wave function Ψ\varPsiΨ .

An infrared wave has a wavelength of 6.5 ×\times× 10-4 cm.What is this distance in angstroms,Å?

Which scientist first proposed that particles of matter could have wave properties?

a.What is the frequency of microwave radiation which has a wavelength of 10.7 cm? b.What is the energy of one photon of this radiation?

The energy of a photon is directly proportional to the wavelength of the radiation.

The size of an atomic orbital is associated with

If the energy of a photon is 1.32 ×\times× 10-18 J,what is its wavelength in nm?

The Rydberg equation,giving the wavelengths of lines in the spectrum of the hydrogen atom,was obtained by assuming that energy is quantized.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

According to the Rydberg equation,the longest wavelength (in nm)in the series of H-atom lines with N₁ = 3 is

In the quantum mechanical treatment of the hydrogen atom,the probability of finding an electron at any point is proportional to the wave function $\varPsi$ .

An infrared wave has a wavelength of 6.5 $\times$ 10^-4 cm.What is this distance in angstroms,Å?

If the energy of a photon is 1.32 $\times$ 10^-18 J,what is its wavelength in nm?