Chapters 14-21 Flashcards
The spreading out of light to fill the space shielded by a barrier is called…..
Diffraction
Pg. 247
When the numerical value of the lateral magnification is positive, the image formed is …..
upright and virtual
Pg. 289
The secondary axis of a mirror must pass through the …… of the mirror.
center of curvature
Pg. 282
The most important converging lens is the ….. lens.
double convex
Pg. 300
A light ray passing from a medium of high optical density to a medium of low optical density will be …..
refracted away from the normal
Pg. 293
A mirror with its reflecting side on the inside of a spherical surface is said to be a ….. mirror.
concave
Pg. 282
The ratio of the image’s height to the object’s height is called the ……
lateral magnification
Pg. 289
The line joining the vertex and the center of curvature of a spherical mirror is called the ……
principal axis
Pg. 282
An image formed by light touching or passing through each point on the image is said to be a(n) ….. image.
real
Pg. 281
In ….. optics, light is treated as long slender rays which travel along a linear path.
geometric
Pg. 277
Who first demonstrated that light exhibits the property of interference?
Young
Pg. 268
The number of waves that pass a given point per unit time is called the ….. of a wave train.
frequency
Pg. 239
The primary colors of light include all the following except …..?
The primary colors of light are red, green, and blue.
Pg. 273
Which method of heat transfer does not require a medium to travel through?
radiation
Pg. 220
The heat required to raise the temperature of a body by one degree is called ……
heat capacity
Pg. 214
Completion
A …… mirror reflects all light perfectly through its focal point.
concave
Pg. 283
A ….. image is always formed by a convex mirror.
virtual and upright
Pg. 286
The darkest region of a shadow is called the …..
umbra
Pg. 313
The color of light which is most readily scattered is …..
blue
Pg. 324
When light bends at the boundary between two media with different optical densities, the light ray has undergone …..?
refraction
Pg. 293
Another name for the first law of refraction is the ….. law.
Snell’s
Pg. 295
When white light passes through a prism, the color of light which is refracted the most is …..?
violet
Pg. 319
The portion of the electromagnetic spectrum to which our eyes responds is called ……?
visible light
Pg. 270
The process of measuring temperature is called ……?
thermometry
Pg. 206
True/False
No light actually touches or passes through any point on a REAL image.
False - virtual image correct answer
Pg. 281
For any spherical mirror, the focal length is equal to TWICE the radius of curvature.
half
Pg. 283
The SECOND law of reflection states that the incident ray, the normal to the surface, and the reflected ray lie in the same plane.
True
Pg. 279
The type of reflection which is caused by unevenness in the reflecting surface is SPECULAR reflection.
diffuse
Pg. 278
Total internal reflection occurs when the angle of incidence is GREATER than the critical angle.
True
Pg. 298
The intensity of a sound related to the distance between the source and the listener is a(n) INVERSE square relationship.
True
Pg. 260
A Ray coming to a double convex lens along a path parceled to the principal axis is redirected through the PRINCIPAL FOCAL POINT.
True
Pg. 301
A(n) MONOCHROMATIC lens is used to correct chromatic aberration.
achromatic
Pg. 320
Heat flows spontaneously only from HOT objects to COLD objects.
True
Pg. 206
A surface that is optically flat has no irregularities with a height or depth exceeding a HALF wavelength of light.
quarter
Pg. 311
As the diameter of an aperture is increased, light passing through the aperture to a screen illuminates LESS area on the screen.
True
Pg. 313
The KINETIC energy of a system may be defined as the total molecular energy content of a physical system.
Internal
Pg. 223
Equations
The mirror equation
1/f= 1/object distance + 1/image distance
pg. 288
Calculates the refractive index of a given medium
(c) speed of light in a vacuum (3.00•10^8 m/s)
n(subscript m) = ————————————————————
v(subscript m) speed of light in the medium
n(subscript m) means the medium’s refractive index
Pg. 294
Matching
A ray strikes a particle of a medium and bounces off in multiple directions.
scattered
Pg. 277
After coming to a boundary between media, a ray returns to the medium in which it was previously traveling.
reflected
Pg. 277
A ray crosses a boundary between media and travels through a new media.
transmitted
Pg. 277
The energy of a ray is transformed into heat energy.
absorbed
Pg. 277
