Physical Optics

Physical Optics

11th - 12th Grade

12 Qs

quiz-placeholder

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Physical Optics

Physical Optics

Assessment

Quiz

Physics

11th - 12th Grade

Medium

NGSS
HS-PS4-1, HS-PS4-3

Standards-aligned

Created by

Michael Frankenhoff

Used 3+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In a Young's double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to

D/2

D/ 2\sqrt{2}

\sqrt{2} D

2D

Tags

NGSS.HS-PS4-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A student is doing an experiment in which monochromatic light passes through a double slit, creating a pattern of dark and bright lines on a nearby screen. The student has a red light and a green light. The student also has two sets of slits, one with a small separation between the slits and one with a large separation. Which of the following lists the color and slit separation that will create the pattern with the greatest separation between the bright lines?

Color = Green Slit Separation = Large

Color = Green Slit Separation = Small

Color = Red Slit Separation = Large

Color = Red Slit Separation = Small

Tags

NGSS.HS-PS4-1

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Some students performing a double-slit interference experiment with light want to increase the separation of the interference maxima to improve their measurement of the spacing between maxima. Which of the following changes by itself will accomplish this goal? Select two answers.

Using a light source that has a shorter wavelength

Increasing the distance between the slits and the screen

Decreasing the separation between the slits

Decreasing the distance between the light source and the slits

Tags

NGSS.HS-PS4-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Observations that indicate that visible light has a wavelength much shorter than a centimeter include which of the following?

I. The colored pattern seen in a soap bubble

II. The colored pattern seen when light passes through a diffraction grating

III. The bending of light when it passes from one medium to another medium

I only

III only

I and II

II and III

I, II, and III

Tags

NGSS.HS-PS4-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A parallel beam of light of wavelength 4.5 X 10-7 m is incident on a pair of slits that are 5.0 x 10-4 m apart. The interference pattern is focused on a screen 2.0 m from the slits. The separation between two adjacent bright fringes is most nearly

3.6 x 10-3 m

2.7 x 10-3 m

5.4 x 10-3 m

1.8 x 10-3 m

0.9 x 10-3 m

Tags

NGSS.HS-PS4-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A thin film with index of refraction nf separates two materials, each of which has an index of refraction less than nf. A monochromatic beam of light is incident normally on the film, as shown above. If the light has wavelength λ within the film, maximum constructive interference between the incident beam and the reflected beam occurs for which of the following film thicknesses?

λ/4

λ/2

λ

Tags

NGSS.HS-PS4-1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The figure above shows a model of an electromagnetic wave, where E is the electric field and B is the magnetic field. In what direction is the energy of the wave transmitted?

In a direction that is at a nonzero angle to each of the axes

Along the x-axis only

Along the z-axis only

Along the y-axis only

Tags

NGSS.HS-PS4-1

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