Last Answer : A wave that travels parallel to the direction of vibration is called a longitudinal wave.
Description : In a compression or longitudinal wave the particles of the medium are displaced in a direction to the direction of energy transport.?
Last Answer : Feel Free to Answer
Description : Which term describes the distance between any two crest in a transverse wave or the distance between any two rarefaction's in a longitudinal wave?
Last Answer : wavelength
Description : Which term describes the distance between any two crests in a transfer wave or the distance between any two rarefactions in a longitudinal wave?
Last Answer : Wavelength
Description : Stationary wave is formed by – (1) a transverse wave superposing a longitudinal wave (2) two waves of the same speed superposing (3) two waves of same frequency travelling in the same direction (4) two waves of same frequency travelling in the opposite direction
Last Answer : (4) two waves of same frequency travelling in the opposite direction Explanation: Stationary or standing waves are formed in a medium when two waves having equal amplitude and frequency moving in ... and the reflected wave. Both longitudinal and transverse types of waves can form a stationary wave.
Description : In a longitudinal wave, the vibration of particles and the direction of wave are in
Last Answer : the same direction.
Description : If digital DRT is calibrated for 300 mm longitudinal wave using 00 double crystal probe then 60kg rail ---------peak will appear at (i) 5.2 (ii) 5.7* (iii) 7.8 (iv) 8.6
Last Answer : ii) 5.7*
Description : An electromagnetic wave is ALWAYS: w) longitudinal x) polarized y) spherical z) transverse.
Last Answer : ANSWER: Z -- TRANSVERSE
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 : Stationary wave is formed by (1) a transverse wave superposing a longitudinal wave (2) two waves of the same speed superposing (3) two waves of same frequency travelling in the same direction (4) two waves of same frequency travelling in the opposite direction
Last Answer : two waves of same frequency travelling in the opposite direction
Description : Distinguish between transverse wave and longitudinal wave.
Last Answer : Transverse Wave Longitudinal Waves The wave in which direction of vibration of particles of material medium is perpendicular to the direction of propagation of wave is called transverse wave. The wave in ... travels through liquids and gases. e.q. Light wave e.q. Sound waves
Description : An example of longitudinal waves is sound waves/vibrations in
Last Answer : gases/oscillations of spring.
Description : Which subscript, in circular waveguide classification, indicates the number of full-wave patterns around the circumference?
Last Answer : First.
Description : The number of half-wave patterns in the "b" dimension of rectangular waveguides is indicated by which of the two descriptive subscripts?
Last Answer : Second.
Description : What is added to a sawtooth generator to produce a trapezoidal wave?
Last Answer : A resistor.
Description : Can a pure sine wave be integrated? Why?
Last Answer : A pure sine wave cannot be integrated; it contains no harmonics.
Description : What is the fundamental difference between the phase relationship of the harmonics of the square wave as compared to the harmonics of a peaked wave?
Last Answer : All the odd harmonics are in phase with the fundamental in the square wave. This is not true of the odd harmonics in the peaked wave.
Description : What is the peaked wave composed of?
Last Answer : It is composed of odd harmonics some of which are out phase with the fundamental.
Description : What type of bias (positive or negative) is added to a negative damper for the most positive extremity of the wave shape to be clamped above 0 volts?
Last Answer : Positive bias.
Description : A negative damper with negative bias clamps the most positive extremity of the output wave shape to what polarity (positive or negative)?
Last Answer : Negative potential.
Description : Which portion of a sine-wave input is retained in the output of a series-negative limiter?
Last Answer : Positive.
Description : Which portion of a sine-wave input is retained in the output of a series-positive limiter?
Last Answer : Negative.
Description : A sound wave that is reflected back toward the source is known as what type of sound?
Last Answer : Echo.
Description : A refracted wave occurs when a wave passes from one medium into another medium. What determines the angle of refraction?
Last Answer : The density of the two mediums, and the velocity of the waves.
Description : When a wave is reflected from a surface, energy is transferred. When is the transfer of energy greatest?
Last Answer : When the incident wave is nearly parallel with the surface.
Description : What are the three requirements for a wave to be propagated?
Last Answer : A source, medium, and detector (receiver).
Description : What type of wave motion is represented by the motion of water?
Last Answer : Transverse waves.
Description : What are some examples of wave motion?
Last Answer : Sound waves, light waves, radio waves, heat waves, water waves.
Description : What is wave motion?
Last Answer : A means of transferring energy from one place to another.
Description : How is a wave defined as it applies to wave propagation?
Last Answer : A wave is a disturbance which moves through a medium
Description : In the inverting configuration, what is the voltage (for all practical purposes) at the inverting input to the operational amplifier if the input signal is a 1-volt, peak-to-peak sine wave?
Last Answer : 0 volts.
Description : In a full-wave voltage doubler, are the capacitors connected in series or in parallel with the output load?
Last Answer : In parallel.
Description : If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___
Last Answer : Trippler.
Description : A half-wave voltage doubler is made up of how many half wave rectifiers?
Last Answer : Two.
Description : Is a full-wave rectifier output easier to filter than that of a half-wave rectifier?
Last Answer : Yes.
Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
Last Answer : The bridge rectifier can produce twice the voltage with the same size transformer.
Description : What is the main disadvantage of a conventional full-wave rectifier?
Last Answer : Peak voltage is half that of the half-wave rectifier.
Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?
Last Answer : 63.7 volts.
Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?
Last Answer : 120 hertz.
Description : What was the major factor that led to the development of the full-wave rectifier?
Last Answer : The fact that the full-wave rectifier uses the full output, both half cycles, of the transformer.
Description : If the output of a half-wave rectifier is 50-volts peak, what is the average voltage
Last Answer : 15.9 volts.
Description : What is the output of a half-wave rectifier?
Last Answer : A pulsating dc voltage.
Description : What happens to the radio wave if the luf is too low?
Last Answer : When luf is too low it is absorbed and is too weak for reception.
Description : What is the skip zone of a radio wave?
Last Answer : A zone of silence between the ground wave and sky wave where there is no reception.
Description : What factor determines whether a radio wave is reflected or refracted by the ionosphere?
Last Answer : Thickness of ionized layer.
Description : What three factors must be considered in the transmission of a surface wave to reduce attenuation?
Last Answer : (a) electrical properties of the terrain (b) frequency (c) polarization of the antenna
Description : What is the best type of surface or terrain to use for radio wave transmission?
Last Answer : Radio horizon is about 1/3 farther.
Description : What is the determining factor in classifying whether a radio wave is a ground wave or a space wave?
Last Answer : Whether the component of the wave is travelling along the surface or over the surface of the earth.
Description : What is the term used to describe the basic frequency of a radio wave?
Last Answer : Fundamental frequency.
Description : What is the term used to describe a whole number multiple of the basic frequency of a radio wave?
Last Answer : Harmonic frequency or harmonics.