Question 1

If unpolarized light of intensity I0 passes through an ideal polarizer, what is the intensity of the emerging light?

Accepted Answer

A)  $I _ { 0 } / 16$ 
B)  $I _ { 0 } / 4$ 
C)  $I _ { 0 } / 2$ 
D)  $I _ { 0 }$
Е) $I _ { 0 } / \sqrt { 2 }$ 
A)  $I _ { 0 } / 16$ 
B)  $I _ { 0 } / 4$ 
C)  $I _ { 0 } / 2$ 
D)  $I _ { 0 }$
Е) $I _ { 0 } / \sqrt { 2 }$

Question 2

A soap bubble with air on both sides has an index of refraction of 1.33. What minimum
thickness of the wall of this bubble will ensure maximum reflectance of normally incident
light having a wavelength of 530 nm?

Accepted Answer

The answer of A soap bubble with air on both...

Question 3

An ideal polarizer with its transmission axis rotated $30 ^ { \circ }$ to the vertical is placed in a beam of unpolarized light of intensity $10 \mathrm {~W} / \mathrm { m } ^ { 2 }$. After passing through the polarizer, what is intensity of the beam?

Accepted Answer

A)  $2.5 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
B)  $8.7 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
C)  $5.0 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
D)  $7.5 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
E)  $10 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
A)  $2.5 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
B)  $8.7 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
C)  $5.0 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
D)  $7.5 \mathrm {~W} / \mathrm { m } ^ { 2 }$ 
E)  $10 \mathrm {~W} / \mathrm { m } ^ { 2 }$

Question 4

In a two-slit experiment, a third-order bright fringe is observed at an angle of $7.10 ^ { \circ }$ away from the centerline. If the wavelength of light is 595 nm, how far apart are the two slits?

Accepted Answer

A)  $2.12 \times 10 ^ { - 5 } \mathrm {~m}$ 
B)  $1.44 \times 10 ^ { - 5 } \mathrm {~m}$ 
C)  $1.07 \times 10 ^ { - 5 } \mathrm {~m}$ 
D)  $2.53 \times 10 ^ { - 5 } \mathrm {~m}$ 
E)  $3.76 \times 10 ^ { - 5 } \mathrm {~m}$ 
A)  $2.12 \times 10 ^ { - 5 } \mathrm {~m}$ 
B)  $1.44 \times 10 ^ { - 5 } \mathrm {~m}$ 
C)  $1.07 \times 10 ^ { - 5 } \mathrm {~m}$ 
D)  $2.53 \times 10 ^ { - 5 } \mathrm {~m}$ 
E)  $3.76 \times 10 ^ { - 5 } \mathrm {~m}$

If unpolarized light of intensity I0 passes through an ideal polarizer, what is the intensity of the emerging light?

A soap bubble with air on both sides has an index of refraction of 1.33. What minimum thickness of the wall of this bubble will ensure maximum reflectance of normally incident light having a wavelength of 530 nm?

An ideal polarizer with its transmission axis rotated $30 ^ { \circ }$ to the vertical is placed in a beam of unpolarized light of intensity $10 \mathrm {~W} / \mathrm { m } ^ { 2 }$ . After passing through the polarizer, what is intensity of the beam?

In a two-slit experiment, a third-order bright fringe is observed at an angle of $7.10 ^ { \circ }$ away from the centerline. If the wavelength of light is 595 nm, how far apart are the two slits?

Introduction, Measurement, Estimating

Describing Motion: Kinematics in One Dimension

Kinematics in Two Dimensions; Vectors

Dynamics: Newtons Laws of Motion

Circular Motion; Gravitation

Work and Energy

Linear Momentum

Rotational Motion

Static Equilibrium; Elasticity and Fracture

Fluids

Oscillations and Waves

Sound

Temperature and Kinetic Theory

Heat

The Laws of Thermodynamics

Electric Charge and Electric Field

Electric Potential

Electric Currents

Dc Circuits

Magnetism

Electromagnetic Induction and Faradays Law

Electromagnetic Waves

The Wave Nature of Light

Optical Instruments

The Special Theory of Relativity

Early Quantum Theory and Models of the Atom

Quantum Mechanics of Atoms

Molecules and Solids

Nuclear Physics and Radioactivity

Nuclear Energy; Effects and Uses of Radiation

Elementary Particles

Astrophysics and Cosmology

Filters

Exam 23: Light: Geometric Optics

If unpolarized light of intensity I0 passes through an ideal polarizer, what is the intensity of the emerging light?

A soap bubble with air on both sides has an index of refraction of 1.33. What minimum thickness of the wall of this bubble will ensure maximum reflectance of normally incident light having a wavelength of 530 nm?

An ideal polarizer with its transmission axis rotated 30∘30 ^ { \circ }30∘ to the vertical is placed in a beam of unpolarized light of intensity 10 W/m210 \mathrm {~W} / \mathrm { m } ^ { 2 }10 W/m2 . After passing through the polarizer, what is intensity of the beam?

In a two-slit experiment, a third-order bright fringe is observed at an angle of 7.10∘7.10 ^ { \circ }7.10∘ away from the centerline. If the wavelength of light is 595 nm, how far apart are the two slits?

Introduction, Measurement, Estimating

Describing Motion: Kinematics in One Dimension

Kinematics in Two Dimensions; Vectors

Dynamics: Newtons Laws of Motion

Circular Motion; Gravitation

Work and Energy

Linear Momentum

Rotational Motion

Static Equilibrium; Elasticity and Fracture

Fluids

Oscillations and Waves

Sound

Temperature and Kinetic Theory

Heat

The Laws of Thermodynamics

Electric Charge and Electric Field

Electric Potential

Electric Currents

Dc Circuits

Magnetism

Electromagnetic Induction and Faradays Law

Electromagnetic Waves

The Wave Nature of Light

Optical Instruments

The Special Theory of Relativity

Early Quantum Theory and Models of the Atom

Quantum Mechanics of Atoms

Molecules and Solids

Nuclear Physics and Radioactivity

Nuclear Energy; Effects and Uses of Radiation

Elementary Particles

Astrophysics and Cosmology

Filters

An ideal polarizer with its transmission axis rotated $30 ^ { \circ }$ to the vertical is placed in a beam of unpolarized light of intensity $10 \mathrm {~W} / \mathrm { m } ^ { 2 }$ . After passing through the polarizer, what is intensity of the beam?

In a two-slit experiment, a third-order bright fringe is observed at an angle of $7.10 ^ { \circ }$ away from the centerline. If the wavelength of light is 595 nm, how far apart are the two slits?