| Wave Characteristics | Wave Behavior | Reflection and Mirrors | Refraction and Lenses | Word Problems: Waves and Optics |
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What is perpendicular?
As a transverse wave travels through a medium, the individual particles of the medium move ______ to the direction of wave travel.
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What is polarized?
Light waves vibrating in a single plane are said to be
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What is upright, same size as object and virtual?
The 3 characteristics of an image formed by a plane mirror.
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What is critical angle?
The angle of incidence that causes a refracted ray of 90°.
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What is 1.25 m/s?
f=2/10=0.5 Hz w=10m/2=5 m v=(0.5Hz)(2.5m)=1.0 m/s
Wave rock a boat up and down 2 times in 10 seconds. The boat is 10 m from the dock and there are 2 crests between the dock and the boat. The velocity of the wave towards the dock is
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What is remain constant?
If the amplitude of a wave is increased, the frequency will
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What is diffraction?
The bending of a wave around an obstacle.
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What is a concave mirror?
A mirror that converges light rays
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What is "when light passes from a more dense medium to a less dense medium"?
Total internal reflection occurs only when ____.
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What is 6.6 m/s?
The frequency of the incident and transmitted waves are always the same. Thus, use f =v/w to find the frequency of the incident wave - 2.2 Hz. The frequency of the transmitted wave is >also 2.2 Hz, the wavelength is 3.0 m, and so the spee
A wave whose speed in a snakey is 4.4 m/s enters a second snakey. The wavelength changes from 2.0 m to 3.0 m. The wave in the second snakey travels at approximately ____.
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What is 2.5 s?
What is the period of a water wave if 4 complete waves pass a fixed point in 10 seconds?
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What is destructive interference?
A node is a point located along a standing wave in the medium where there is ____.
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What is virtual, upright and reduced in size?
The 3 characteristics of an image formed by a convex mirror when the object distance from the mirror is less than the focal length (f).
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What is sines?
The index of refraction is the ratio of the _____ of the incidence and refracted angles.
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What is 1.35?
nr * sine(48.0 deg) = 1.00 * sine (90.0 deg) nr = 1.00/sin(48.0 deg) = 1.35
If the critical angle for internal reflection inside a certain transparent material is found to be 48.0 degrees, the index of refraction of the material is..... (Air is outside the material).
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What is 4.0 Hertz?
A pendulum swings back and forth 40 times in 10 seconds. The frequency of the pendulum is
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What is increased?
A sound of constant frequency is produced by the siren on top of a firehouse. Compared to the frequency produced by the siren, the frequency observed by a firefighter approaching the firehouse is
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What is 15.0 cm?
A concave mirror with a focal length of 10.0 cm creates a real image 30.0 cm away on its principal axis. The object is located this distance from the mirror.
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What is 2.05 x 10^8 m/s?
If carbon tetrachloride has an index of refraction of 1.46, the speed of light through this liquid would be_______ .
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What is 68.8°?
1.63* sine(Theta critical.) = 1.52 * sine (90) sine(Theta critical.) = 1.52/1.63 = 0.9325 Theta critical. = invsine(0.9325) = 68.8°
Carbon disulfide (n = 1.63) is poured into a container made of crown glass (n = 1.52). The critical angle for internal reflection of a ray in the liquid when it is incident on the liquid-to-glass surface is...
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What is 2.0 meters?
A periodic wave having a frequency of 5.0 hertz and
a speed of 10 meters per second has a wavelength of |
What is the same frequency, the same amplitude, and
travel in opposite directions?
The superposition of two waves traveling in the same
medium produces a standing wave pattern if the two waves have these 3 properties. |
What is 90.0 cm?
If a man's face is 30.0 cm in front of a concave shaving mirror creating an upright image 1.50 times as large as the object. The mirror's focal length is
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What is 18.0°?
A ray of light in air is incident on an air-to-glass boundary at an angle of 30. degrees with the normal. If the index of refraction of the glass is 1.65, the angle of the refracted ray within the glass with respect to the normal is ____
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What is 31.4°?
1.52 * sin(30 deg) = 1.46 * sin(Theta r) [1.52 * sin(30 deg)]/1.46 = sin(Theta r) 0.5205 = sin(Theta r) Theta r = invsine(0.5205) = 31.4 degrees
Carbon tetrachloride (n = 1.46) is poured into a container made of crown glass (n = 1.52). If the light ray in glass incident on the glass-to-liquid boundary makes an angle of 30 degrees with the normal, the angle of the corresponding refracted ray is
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