Description : An electromagnetic wave is ALWAYS: w) longitudinal x) polarized y) spherical z) transverse.
Last Answer : ANSWER: Z -- TRANSVERSE
Description : Which of the following waves is not a transverse wave? w) a wave traveling on a string x) an electromagnetic wave y) a sound wave
Last Answer : ANSWER: Y -- A SOUND WAVE
Description : For an electromagnetic wave traveling in a vacuum, if the magnitude of the intensity of the E field is zero, the magnitude of the intensity of the B field is: w) zero x) a negative maximum y) a positive maximum z) the square root of 2 times the positive maximum
Last Answer : ANSWER: W -- ZERO
Description : In an electromagnetic wave, what is the relative orientation of the magnetic and electric fields? w) 180 degrees x) 90 degrees y) 45 degrees z) 22.5 degrees
Last Answer : ANSWER: X -- 90 DEGREES
Description : An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water. He can tell if it is a real pool of water or a mirage by putting on his polarized sun ... not be able to discern a difference z) both are polarized so one will not be able to discern a difference
Last Answer : ANSWER: X -- REFLECTIONS FROM WATER ARE POLARIZED WHILE THE MIRAGE S NOT
Description : What is a typical wavelength of an AM radio wave? w) 3000 meters x) 300 meters y) 30 meters z) 3 meters
Last Answer : ANSWER: X -- 300 METERS
Description : Which wave has the highest frequency? w) microwaves x) infrared waves y) ultraviolet waves z) radio waves
Last Answer : ANSWER: Y -- ULTRAVIOLET WAVES
Description : Weather satellites transmit cloud cover and temperature-humidity profiles back to Earth using images of which combination of the electromagnetic radiation types? w) infra-red and visible light x) ultraviolet and nuclear magnetic y) ultraviolet and infra-red z) ultraviolet and visible light
Last Answer : ANSWER: W -- INFRA-RED AND VISIBLE LIGHT
Description : Which of the following waves cannot be polarized? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic
Last Answer : (4) Ultrasonic Explanation: Only transverse waves (such as radio, ultraviolet and infrared waves) can be polarized since their vibrations can potentially occur in all directions perpendicular to the direction of travel. It is therefore possible to confine the vibrations to a single plane.
Description : An electromagnetic wave is ________ polarized when the electric field lies wholly in one plane containing the direction of propagation. A. Horizontally B. Linearly C. Circularly D. Vertically
Last Answer : B. Linearly
Description : Which physical phenomenon or principle is most often applied in the search for petroleum reservoirs? w) magnetic field distortions x) electromagnetic radiation y) natural radioactive decay of minerals z) acoustic wave transmission and reflection
Last Answer : ANSWER: Z -- ACOUSTIC WAVE TRANSMISSION AND REFLECTION
Description : Which of the following does NOT travel in a vacuum? w) radio waves x) gamma rays y) magnetic waves z) sound waves
Last Answer : ANSWER: Z -- SOUND WAVES
Description : What is the wavelength in millimeters of a sound wave whose frequency is 35 KILOHERTZ. Assume the speed of sound is 350 METERS PER SECOND? w) 100 millimeters x) 1,000 millimeters y) 10 millimeters z) 1/10 millimeters
Last Answer : ANSWER: Y -- 10 MILLIMETERS
Description : If viewed on an oscilloscope, the loudness of a sound wave would be associated with the wave's: w) frequency x) wavelength y) velocity z) amplitude
Last Answer : ANSWER: Z -- AMPLITUDE
Description : .Light is A. an electromagnetic wave B. a form of energy visible to the human eye C. the same type of energy as an X ray D. the same type of energy as a radio wave E. all of the above
Last Answer : E. all of the above
Description : The photoelectric effect is a demonstration of: w) the wave nature of light x) the particle nature of light y) Compton scattering z) the continuous spectrum of radiation
Last Answer : ANSWER: X -- THE PARTICLE NATURE OF LIGHT
Description : Diffraction and interference demonstrate which of the following? w) particle nature of light x) wave nature of light y) polarization of light z) refraction of light
Last Answer : ANSWER: X -- WAVE NATURE OF LIGHT
Description : When light is traveling through a vacuum, what is the product of the light's wavelength and frequency equal to? w) speed of light x) Plank's constant y) momentum z) wave number
Last Answer : ANSWER: W -- SPEED OF LIGHT
Description : Which of the following phenomena suggest that light may be a transverse wave? w) reflection x) polarization y) photoelectric effect z) diffraction
Last Answer : ANSWER: X -- POLARIZATION
Description : The wave nature of light is demonstrated by which of the following? w) the photoelectric effect x) color y) the speed of light z) diffraction
Last Answer : ANSWER: Z -- DIFFRACTION
Description : The region of the electromagnetic spectrum immediately above the frequencies to which the human eye is sensitive is called: w) ir x) ultra-violet y) rf z) gamma ray
Last Answer : ANSWER: X -- ULTRA-VIOLET
Description : The Grand Unified Theory of the forces of nature combines three of the four forces. Which force is NOT included? w) gravitational x) electromagnetic y) weak nuclear z) strong nuclear
Last Answer : ANSWER: W -- GRAVITATIONAL
Description : The four underlying equations in electromagnetic theory are called: w) Einstein's Equations x) Maxwell's Equations y) Newton's Equations z) Faraday's Law
Last Answer : ANSWER: X -- MAXWELL'S EQUATIONS
Description : Which waves cannot be transmitted through vacuum - (1) Light (2) Heat (3) Sound (4) Electromagnetic
Last Answer : (3) Sound Explanation: Sound waves cannot be transmitted through vacuum. It is transmitted by the movement of particles along with the direction of the motion of the sound wave. More generally, sound is a mechanical disturbance which is dependent upon a medium to travel.
Description : These waves cannot be trans-mitted through vacuum – (1) Light (2) Sound (3) Heat (4) Electromagnetic
Last Answer : (2) Sound Explanation: Sound is a mechanical wave that is created by vibrating objects and propagated through a medium from one location to another. Because mechanical waves rely on particle interaction ... space that are void of particles. That is, mechanical waves cannot travel through a vacuum.
Description : These waves cannot be transmitted through vacuum (1) Light (2) Sound (3) Heat (4) Electromagnetic
Last Answer : Sound
Description : Which of these waves can be polarized? (1) Sound waves in air (2) Longitudinal waves on a string (3) Transverse waves on a string (4) Light waves
Last Answer : (4) Light waves Explanation: It is possible to transform unpolarized light into polarized light. A light. wave that is vibrating in more than one plane is referred to as unpolarized light. Polarized light waves are light waves in which the vibrations occur in a single plane.
Description : Which of these waves can be polarized ? (1) Sound waves in air (2) Longitudinal waves on a string (3) Transverse waves on a string (4) Light waves
Last Answer : Light waves
Description : The term "laminar flow" is most often associated with the description of: w) conduction of sound by waves x) current flow in transistors y) effects of viscosity of liquids z) passage of light rays through a liquid
Last Answer : ANSWER: Y -- EFFECTS OF VISCOSITY OF LIQUIDS
Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency
Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.
Description : Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency
Last Answer : Intensity of sound
Description : Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______. (1) light waves (2) electromagnetic waves (3) electric waves (4) magnetic waves
Last Answer : (2) electromagnetic waves Explanation: Electromagnetic radiation is the radiant energy released by certain electromagnetic processes. It consists of electromagnetic waves which are synchronized oscillations of electric and magnetic fields that propagate at the speed of light through a vacuum.
Description : An automobile needs an antenna for its radio to play properly because: w) the automobile's tires insulate it from the ground. x) the automobile's body acts as a Faraday cage. y) when the ... signal appears changed with respect to when it is at rest. z) the transmitter also uses an antenna.
Last Answer : ANSWER: X -- THE AUTOMOBILE'S BODY ACTS AS A FARADAY CAGE.
Description : The theory which ascribes wave-like properties to particles is called: w) general relativity x) quantum mechanics y) special relativity z) classical mechanics
Last Answer : ANSWER: X -- QUANTUM MECHANICS
Description : The wave nature of electrons was EXPERIMENTALLY verified by: w) Einstein x) Davisson and Germer y) Balmer z) Bohr.
Last Answer : ANSWER: X -- DAVISSON AND GERMER
Description : A wave and its reflection produce a standing wave with the distance from NODE to nearest ANTINODE of 4 meters. The wavelength of this wave is: w) 4 meters x) 8 meters y) 12 meters z) 16 meters
Last Answer : ANSWER: Z -- 16 METERS
Description : The inverse of wavelength is referred to as: w) wave number x) frequency y) velocity z) momentum
Last Answer : ANSWER: W -- WAVE NUMBER
Description : Which of the answers listed below best completes the statement: The rate at which any part of a wave travels from one place to another determines the wave's: w) propagation velocity x) period y) amplitude z) frequency
Last Answer : ANSWER: W -- PROPAGATION VELOCITY
Description : As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move
Last Answer : ANSWER: W -- VIBRATE IN A PATH PARALLEL TO THE PATH OF THE WAVE
Description : Whose principle or law states that each point on a wavefront may be considered a new wave source? Is it: w) Snell's Law x) Huygen's Principle y) Young's Law z) Hertz's Law.
Last Answer : ANSWER: X -- HUYGEN'S PRINCIPLE
Description : A standing wave is formed on a tightly stretched string. The distance between a node and an antinode is: w) 1/8 wavelength x) 1/4 wavelength y) 1/2 wavelength z) 1 wavelength
Last Answer : ANSWER: X -- 1/4 WAVELENGTH
Description : What is “Acoustics”: A. Science of Waves B. Science of Sound C. Science of Light D. Science of Electromagnetic Wave System
Last Answer : ANSWER: B
Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth. B. The magnetic field is parallel to the earth. C. Both the electric and magnetic fields are horizontal D. Both the electric and magnetic fields are vertical
Last Answer : A. The electric field is parallel to the earth.
Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth B. Both the electric and magnetic fields are vertical C. Both the electric and magnetic fields are horizontal D. The magnetic fields is parallel to the earth
Last Answer : A. The electric field is parallel to the earth
Description : The principle that energy may be converted from one form to another but it cannot be either created or destroyed is: w) First Law of Thermodynamics. x) Second Law of Thermodynamics. y) Third Law of Thermodynamics. z) Principle of photoelectricity.
Last Answer : ANSWER: W -- FIRST LAW OF THERMODYNAMICS.
Description : The idea that we CANNOT know both the position and velocity of a subatomic particle at the same time was formulated by: w) Einstein x) Heisenberg y) Fermi z) Schroedinger
Last Answer : ANSWER: X -- HEISENBERG
Description : Consider a car driving around a circular bend in the road. Which of the following CANNOT be constant? w) velocity of car x) speed of car y) nonrelativistic mass of car z) angular momentum of the car about the center of the circle
Last Answer : ANSWER: W -- VELOCITY OF CAR
Description : Which of the following sets of 3 forces CANNOT have a vector sum of zero? w) 10, 10 and 10 Newtons x) 10, 10 and 20 Newtons y) 10, 20 and 20 Newtons z) 10, 20 and 40 Newtons
Last Answer : ANSWER: Z -- 10, 20 AND 40 NEWTONS