Physics Questions
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Waves with a high frequency have a ___________ wavelength.
Equation for frequency (light and wavelength)
Are frequency and wavelength directly or inversely proportional?
Are energy and frequency directly or inversely related?
The type of lens that spreads parallel light is aa. converging lens.b. diverging lens.c. combination converging-diverging lens.
You place a burning candle 60 cm in front of a convex lens having a focal length of +40 cm. Which of the following characteristics of the image can not be observed?a. erectb. largerc. located beyond 2Fd. real
A diver shines light up to the surface of a smooth pond at a 10-degree angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal ofa. 10 degrees.b. more than 10 degrees.c. less than 10 degrees.
Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel ata. different speeds.b. light travels at the same speed everywhere.c. the same speed.
A "burning glass" used to concentrate sunlight in a tiny spot is aa. converging lens.b. diverging lens.c. eitherd. neither
You place a burning candle 20 cm in front of a concave lens having a focal length of -80 cm. Which of the following characteristics of the image can not be observed?a. smallerb. all the choices are correctc. erectd. virtual
The type of radio waves that is diffracted the most around small buildings area. FMb. AMc. Both diffract equally
The secondary rainbow is dimmer than the primary rainbow becausea. it is larger, and its energy is spread over more area.b. its colors are inverted.c. it is farther from the viewer.d. it simply has much less energy than the primary bow.e. of an extra reflection and refraction in the drops.
Rainbows are not usually seen as complete circles becausea. the ground is usually in the way.b. raindrops are not perfectly round.c. they have no bottom part.d. they are actually elliptical.e. rainbows are actually arched shaped.
As a light ray in air at 15 degrees from the normal enters water, ita. does not bend.b. sometimes bends towards the normal.c. always bends toward the normal.d. always bends away from the normal.
The light in raindrops making up a rainbow has undergone refraction and internal _______.a. dispersionb. absorptionc. scatteringd. reflection
If the speed of light in a medium is 2×10^8 m/s, the medium's index of refraction isa. 0.5b. 1.0c. 2.0d. 0.67e. 1.5
When white light goes from air into water, the color that refracts the most isa. violet b. green c. orange d. rede. all refract the same account
Specular reflection is common in the light reflected from _______.a. a mirror b. a common road c. this page d. a rough surface
Light refracts when traveling from air into glass because lighta. has greater intensity in air than in glass.b. travels slower in glass than in air.c. has greater frequency in glass than in air.d. has greater frequency in air than in glass.e. has greater intensity in glass than in air.
You place a burning candle 60 cm in front of a concave mirror having a focal length of 60 cm. Which of the following characteristics of the image CAN be observed?a. inverted b. same size c. none of the choices are correct d. real