What is the energy of a photon of frequency 3.80 × 1014 Hz? (h = 6.626 × 10−34 J⋅s)

A) 2.52E-19 J B) 1.74E-20 J C) 5.73E+47 J D) 1.74E-48 J E) 3.97E+18 J A) 2.52E-19 J B) 1.74E-20 J C) 5.73E+47 J D) 1.74E-48 J E) 3.97E+18 J

Exam 22: Reflection and Refraction of Light

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A container of flint glass (n = 1.57)holds a small quantity of benzene (n = 1.501).What is the critical angle for internal reflection of a ray in the glass when it is incident on the glass-to-liquid surface?

(Multiple Choice)

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Question 61

A ray of light travels from a glass-to-liquid interface at an angle of 56°.Indices of refraction for the glass and liquid are,respectively,1.61 and 1.89.What is the angle of refraction for the ray moving through the liquid?

(Multiple Choice)

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Question 62

According to present theories of light,in some experiments light seems to be:

(Multiple Choice)

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Question 63

Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 × 10−³⁴ J⋅s and c = 3.00 × 10⁸ m/s).

(Multiple Choice)

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Question 64

An oil film floats on a water surface.The indices of refraction for water and oil,respectively,are 1.333 and 1.466.If a ray of light is incident on the air-to-oil surface at an angle of 25.4° with the normal,what is the incident angle at the oil-to-water surface?

(Multiple Choice)

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Question 65

Dez pours carbon tetrachloride (n = 1.46)into a container made of crown glass (n = 1.52).The light ray in glass incident on the glass-to-liquid boundary makes an angle of 13.0° with the normal.Find the angle of the corresponding refracted ray.

(Multiple Choice)

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Question 66

Two mirrors are joined together along a common side,the planes of the mirrors separated by the angle θ.If the joined mirrors can be used as a retroreflector when a beam of light strikes both surfaces (one after the other),what is the value of θ?

(Multiple Choice)

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Question 67

Who formulated the theory explaining the photoelectric effect?

(Multiple Choice)

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Question 68

Three materials with n₁ < n₂ < n₃ are arranged in layers of uniform thickness.A light ray in air enters the first layer at an angle of incidence of 30° and the ray eventually exits the third layer at the refracted angle θ in air.What is the value of θ?

(Multiple Choice)

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Question 69

A ray of white light,incident upon a glass prism,is dispersed into its various color components.Which one of the following colors experiences the greatest angle of deviation?

(Multiple Choice)

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Question 70

A beam of light in air is incident at an angle of 15° to the surface of a rectangular block of clear plastic (n = 1.46).The light beam first passes through the block and re-emerges from the opposite side into air at what angle to the normal to that surface?

(Multiple Choice)

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Question 71

The lowest possible value for the index of refraction is:

(Multiple Choice)

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Question 72

When white light disperses as it passes through a prism,which of the following colors moves at the lowest speed in the prism?

(Multiple Choice)

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Question 73

A light ray in air is incident on an air-to-glass boundary at an angle of 31.0° and is refracted in the glass at an angle of 25.0° with the normal.Find the index of refraction of the glass.

(Multiple Choice)

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Question 74

What is the energy of a photon of frequency 3.80 × 10¹⁴ Hz? (h = 6.626 × 10−³⁴ J⋅s)

(Multiple Choice)

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Question 75

A ray of light is incident on a liquid-to-glass interface at an angle of 38.1°.Indices of refraction for the liquid and glass are,respectively,1.87 and 1.60.What is the angle of refraction for the ray moving through the glass?

(Multiple Choice)

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Question 76

Which of the following describes what will happen to a light ray incident on an air-to-glass boundary?

(Multiple Choice)

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Question 77

Fiber optics has to do with:

(Multiple Choice)

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Question 78

What is the angle of incidence on an air-to-glass boundary if the angle of refraction in the glass (n = 1.52)is 17°?

(Multiple Choice)

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Question 79

When light reflects and produces a clear image,this reflection is referred to as:

(Multiple Choice)

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Question 80

Showing 61 - 80 of 81

Exam 22: Reflection and Refraction of Light

A container of flint glass (n = 1.57)holds a small quantity of benzene (n = 1.501).What is the critical angle for internal reflection of a ray in the glass when it is incident on the glass-to-liquid surface?

A ray of light travels from a glass-to-liquid interface at an angle of 56°.Indices of refraction for the glass and liquid are,respectively,1.61 and 1.89.What is the angle of refraction for the ray moving through the liquid?

According to present theories of light,in some experiments light seems to be:

Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 × 10−34 J⋅s and c = 3.00 × 108 m/s).

An oil film floats on a water surface.The indices of refraction for water and oil,respectively,are 1.333 and 1.466.If a ray of light is incident on the air-to-oil surface at an angle of 25.4° with the normal,what is the incident angle at the oil-to-water surface?

Dez pours carbon tetrachloride (n = 1.46)into a container made of crown glass (n = 1.52).The light ray in glass incident on the glass-to-liquid boundary makes an angle of 13.0° with the normal.Find the angle of the corresponding refracted ray.

Two mirrors are joined together along a common side,the planes of the mirrors separated by the angle θ.If the joined mirrors can be used as a retroreflector when a beam of light strikes both surfaces (one after the other),what is the value of θ?

Who formulated the theory explaining the photoelectric effect?

Three materials with n1 < n2 < n3 are arranged in layers of uniform thickness.A light ray in air enters the first layer at an angle of incidence of 30° and the ray eventually exits the third layer at the refracted angle θ in air.What is the value of θ?

A ray of white light,incident upon a glass prism,is dispersed into its various color components.Which one of the following colors experiences the greatest angle of deviation?

A beam of light in air is incident at an angle of 15° to the surface of a rectangular block of clear plastic (n = 1.46).The light beam first passes through the block and re-emerges from the opposite side into air at what angle to the normal to that surface?

The lowest possible value for the index of refraction is:

When white light disperses as it passes through a prism,which of the following colors moves at the lowest speed in the prism?

A light ray in air is incident on an air-to-glass boundary at an angle of 31.0° and is refracted in the glass at an angle of 25.0° with the normal.Find the index of refraction of the glass.

What is the energy of a photon of frequency 3.80 × 1014 Hz? (h = 6.626 × 10−34 J⋅s)

A ray of light is incident on a liquid-to-glass interface at an angle of 38.1°.Indices of refraction for the liquid and glass are,respectively,1.87 and 1.60.What is the angle of refraction for the ray moving through the glass?

Which of the following describes what will happen to a light ray incident on an air-to-glass boundary?

Fiber optics has to do with:

What is the angle of incidence on an air-to-glass boundary if the angle of refraction in the glass (n = 1.52)is 17°?

When light reflects and produces a clear image,this reflection is referred to as:

Introduction

Introduction: Part A

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids

Solids and Fluids: Part A

Thermal Physics

Thermal Physics: Part A

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 × 10−³⁴ J⋅s and c = 3.00 × 10⁸ m/s).

Three materials with n₁ < n₂ < n₃ are arranged in layers of uniform thickness.A light ray in air enters the first layer at an angle of incidence of 30° and the ray eventually exits the third layer at the refracted angle θ in air.What is the value of θ?

What is the energy of a photon of frequency 3.80 × 10¹⁴ Hz? (h = 6.626 × 10−³⁴ J⋅s)