Astronomy: Electromagnetic Spectrum

If light is absorbed by a substance, what can be assumed about the frequencies of the light and the material? A) The frequency of light matches the natural frequency of the molecules in the material. B) The frequency of the light is higher than the natural frequency of the molecules in the material. C) The frequency of the light is lower than the natural frequency of the molecules in the material. D) The frequency of the light is altered by the natural frequency of the molecules in the material.

A) The frequency of light matches the natural frequency of the molecules in the material.

What types of electromagnetic radiation can be detected by the human body? A) visible and infrared waves B) radio and microwaves C) ultraviolet and x-ray waves D) gamma and beta waves

A) visible and infrared waves

What characteristic of a mechanical wave differentiates it from an electromagnetic wave? A. Mechanical waves cannot be transmitted through empty space. B. Mechanical waves carry particles of the medium during transmission. C. Mechanical waves cannot be transmitted through a medium. D. Mechanical waves do not carry energy during transmission.

A. Mechanical waves cannot be transmitted through empty space.

Which statement is true about a mechanical wave traveling from a water vapor medium into an ice medium? A. The wave will travel faster through the ice than it will through the water vapor. B. The wave will travel faster through the water vapor than it will through the ice. C. The wavelength of the wave will decrease when it enters the ice. D. The amplitude of the wave will increase when it enters the ice.

A. The wave will travel faster through the ice than it will through the water vapor.

Which statement is true about waves in the red-orange region of the visible spectrum? A. They have lower frequencies, longer wavelengths, and lower energies than waves found in the blue-violet region. B. They have lower frequencies, shorter wavelengths, and lower energies than waves found in the blue-violet region. C. They have higher frequencies, longer wavelengths, and higher energies than waves found in the blue-violet region. D. They have higher frequencies, shorter wavelengths, and higher energies than waves found in the blue-violet region.

A. They have lower frequencies, longer wavelengths, and lower energies than waves found

Which type of wave can travel through empty space? A. electromagnetic wave B. seismic wave C. sound wave D. water wave

A. electromagnetic wave

A researcher studies a wave that will warm an object when absorbed by the object. This wave is also found to be emitted by an object that is hot. What kind of wave is being studied? A. infrared ray B. radio wave C. ultraviolet ray D. visible light

A. infrared ray

What kind of waves can travel through both matter and empty space? A. radio waves B. seismic waves C. sound waves D. surface waves

A. radio waves

How are electromagnetic waves detected? A) by hearing B) by seeing C) by smelling D) by tasting

B) by seeing

If the speed of a sound wave increases, what other property of the wave must also increase when all other wave properties are held constant? A) amplitude B) frequency C) loudness D) wavelength

B) frequency

Night-vision goggles, used by the military, detect heat emitted from organisms. This technology allows soldiers to see a person standing over 200 yards away on a cloudy, moonless night. What part of the electromagnetic spectrum does this technology use? A) gamma radiation B) infrared radiation C) UV rays D) visible light

B) infrared radiation

What is the best way to avoid skin cancer? A) taking antibiotics B) wearing sunscreen C) avoiding contact with cancer patients D) scheduling routine vaccinations

B) wearing sunscreen

Why does a red apple appear red when placed under a white light? A. The apple absorbs red light and reflects all other colors. B. The apple reflects red light and absorbs all other colors. C. The apple reflects all light. D. The apple absorbs all light.

B. The apple reflects red light and absorbs all other colors.

What do all types of waves transfer from place to place? A. air B. energy C. matter D. water

B. energy

Which forms of electromagnetic radiation are arranged in order of increasing frequency? A. infrared, ultraviolet, visible B. infrared, visible, ultraviolet C. ultraviolet, infrared, visible D. ultraviolet, visible, infrared

B. infrared, visible, ultraviolet

During a field trip, Joe visits a hillside and sees the clear image of a small mountain on the smooth surface of the nearby lake. What behavior of light can explain the appearance of the small mountain on the water's surface? A. absorption B. reflection C. refraction D. transmission

B. reflection

Claire has been diagnosed with skin cancer. Which activity would have contributed to the development of cancer? A) She absorbed infrared radiation from a kerosene heater. B) She absorbed harmful energy by standing too close to a microwave. C) Her unprotected skin received damaging ultraviolet rays from sunlight exposure. D) Her teeth were exposed to X-rays during a visit to the dentist.

C) Her unprotected skin received damaging ultraviolet rays from sunlight exposure.

Which statement regarding characteristics of electromagnetic radiation is correct? A) Longer wavelengths of light have higher energies. B) Lower frequencies of light have higher energies. C) Higher frequencies of light have shorter wavelengths. D) Shorter wavelengths of light have lower energies.

C) Higher frequencies of light have shorter wavelengths.

Which statement about the electromagnetic spectrum is true? A) Energy with longer wavelengths are more damaging than energy with shorter wavelengths. B) Exposure to any type of energy on the electromagnetic spectrum will cause cellular damage. C) Information carried by most wavelengths of the spectrum are not visible to the human eye. D) Visible light has the shortest wavelengths of all energy on the electromagnetic spectrum.

C) Information carried by most wavelengths of the spectrum are not visible to the human eye.

What is the most accurate description of transverse waves? A) The particles of matter in the medium do not move even though the wave itself transmits its energy. B) The particles of matter in the medium move parallel to the direction of wave motion. C) The particles of matter in the medium move perpendicular to the direction of wave motion. D) The particles of matter in the medium move randomly regardless of the direction of wave

C) The particles of matter in the medium move perpendicular to the direction of wave motion.

Which correctly describes infrared radiation? A) They are light waves that can be detected by the human eye. B) They are high-energy waves that can damage the eyes and skin. C) They are waves with frequencies lower than red on the visible spectrum. D) They are waves with frequencies higher than violet on the visible spectrum.

C) They are waves with frequencies lower than red on the visible spectrum.

Which choice illustrates how ultraviolet (UV) radiation may be used? A) lighting up a dark room B) heating food C) killing germs D) transmitting data

C) killing germs

Exposure to what type of electromagnetic radiation has been proven to cause skin cancer in humans? A) infrared light B) radio waves C) ultraviolet light D) visible light

C) ultraviolet light

Which range of the visible light spectrum has the shortest wavelength? A) blue B) red C) violet D) yellow

C) violet

What is a benefit of ultraviolet radiation to humans? A) electronic communication B) increased risk of cancer C) vitamin D formation D) sunburn

C) vitamin D formation

Which statement is true regarding mechanical and electromagnetic waves? A. Both types of waves require a medium. B. Neither type of wave requires a medium. C. A mechanical wave requires a medium, but an electromagnetic wave does not require a medium. D. An electromagnetic wave requires a medium, but a mechanical wave does not require a medium.

C. A mechanical wave requires a medium, but an electromagnetic wave does not require a medium.

Which statement is true about blue light as compared to red light? A. Blue light has longer wavelengths, lower frequencies, and higher energy than red light. B. Blue light has longer wavelengths, lower frequencies, and lower energy than red light. C. Blue light has shorter wavelengths, higher frequencies, and higher energy than red light. D. Blue light has shorter wavelengths, higher frequencies, and lower energy than red light.

C. Blue light has shorter wavelengths, higher frequencies, and higher energy than red light.

What kind of wave requires the particles of a medium to vibrate and transfer energy? A. infrared light wave B. radio wave C. seismic wave D.. visible light wave

C. seismic wave

Which type of wave could be classified as a mechanical wave? A. infrared ray B. radio wave C. seismic wave D. ultraviolet ray

C. seismic wave

What type of waves might experience rarefaction? A. infrared rays B. rope waves C. sound waves D. X-rays

C. sound waves

A concrete driveway is in direct sunlight all day. What type of radiation will the driveway emit in the evening? A) visible B) ultraviolet C) microwave D) infrared

D) infrared

Which list includes mechanical waves only? A) seismic waves, microwaves, X-rays B) infrared rays, ultraviolet rays, visible light C) radio waves, sound waves, waves in a rope D) seismic waves, sound waves, water waves

D) seismic waves, sound waves, water waves

Which wave is classified as a mechanical wave? A) infrared wave B) microwave C) radio wave D) sound wave

D) sound wave

Arthur keeps a flower vase on the table. He views it through a glass window, and the vase appears the same. When Arthur views the vase through baking parchment paper, he can observe the general shape of the vase, but it appears blurred. What can best explain the blurring of the vase? A. light is absorbed by the opaque parchment paper B. light is reflected by the opaque parchment paper C. light is refracted by the transparent parchment paper D. light is scattered by the translucent parchment paper

D. light is scattered by the translucent parchment paper