Description : With which can Radio wave of constant amplitude be generated?
Last Answer : Oscillator
Description : By which Radio waves of constant amplitude can be generated? -General Knowledge
Last Answer : The answer is 'Oscillator'
Description : By which Radio waves of constant amplitude can be generated?
Description : What type of transmission is radiated from an aircraft’s radio altimeter antenna? A. An amplitude modulated continuous wave B. A pulse position modulated UHF signal C. A differential phase shift keyed UHF signal D. A frequency modulated continuous wave
Last Answer : D. A frequency modulated continuous wave
Description : How does the energy of a wave depend on its frequency if the amplitude stays constant?
Last Answer : Feel Free to Answer
Description : In frequency modulation, amplitude of modulated wave is A. positive B. negative C. constant D. zero
Last Answer : constant
Description : With regard to pattern electroretinogram: a. it can be used to estimate the visual acuity b. it is generated by the occipital cortex c. it is reduced in optic nerve diseases d. the signal amplitude is about 10 mV
Last Answer : it is reduced in optic nerve diseases
Description : Long distance short-wave radio broad casting uses which waves? -Do You Know?
Last Answer : answer:
Description : What is the full form of 'AM' regarding radio broadcasting? (1) Amplitude Movement (2) Anywhere Movement (3) Amplitude Matching (4) Amplitude Modulation
Last Answer : (4) Amplitude Modulation Explanation: AM broadcasting is the process of radio broadcasting using amplitude modulation. AM was the first method of impressing sound on a radio signal and is still ... frequency. It then amplifies changes in the signal voltage to drive a loudspeaker or earphones.
Description : What is the first symbol of a radio signal transmission having an amplitude modulated signal carrier, double side band? A. C B. B C. H D. A
Last Answer : D. A
Description : Which of the following systems is not used in radio detection and ranging? A. Frequency shift B. Frequency modulation C. Pulse radar D. Amplitude modulation
Last Answer : D. Amplitude modulation
Description : What is the effect in over modulated amplitude modulated radio broadcasting transmission? A. Interference to adjacent channel B. Higher fidelity C. Increase noise D. Higher audio signal
Last Answer : A. Interference to adjacent channel
Description : What is the full form of ‘AM’ regarding radio broadcasting? (1) Amplitude Movement (2) Anywhere Movement (3) Amplitude Matching (4) Amplitude Modulation
Last Answer : Amplitude Modulation
Description : Is it true that the larger the amplitude of the less energy is transported by the Wave?
Last Answer : Need answer
Description : What The height of a wave or the amount of the wave carries is the amplitude.?
Description : What are the relationships that are present between frequency wavelength and amplitude of a wave?
Description : How much of an increase in wave amplitude is seen for an earthquake?
Description : How does increasing the amplitude affect the wavelength of a wave?
Last Answer : It doesn't.Amplitude and wavelength are independent variables.
Description : What depends on the height of a wave or its amplitude?
Last Answer : This tells us the intensity.
Description : How is a wave's amplitude related to the amount of energy the wave carries?
Last Answer : There is a direct correlation between the amplitude of a wave and its energy. The greater the amplitude, the more energy it carries compared to the same wave of lower amplitude.
Description : What is it called when the crests of two waves overlap and result in increased wave amplitude?
Last Answer : kkkk
Description : Of the following properties of a wave, the one that is independent of the other is its (a) Amplitude (b) Velocity (c) Wavelength (d) Frequency
Last Answer : Ans:(a)
Description : When we hear a sound, we can identify its source from ______. (1) wave length of sound (2) the overtones present in the sound (3) the intensity of sound (4) the amplitude of sound
Last Answer : (2) the overtones present in the sound Explanation: An overtone is any frequency higher than the fundamental frequency of a sound. Using the model of Fourier analysis, the fundamental and the overtones together are called partials.
Description : The quality or tone of a musical sound produced by a stringed instrument depends on – (1) frequency of vibration (2) length of the strings in the instrument (3) Amplitude of vibration (4) wave form of the sound
Last Answer : (4) wave form of the sound Explanation: The timbre or quality of a sound depends on its wave form, which varies with the number of over-tones, or harmonics, that are present, their ... particular musical sound have a different sound from another, even when they have the same pitch and loudness.
Description : Quality of a musical note depends on – (1) Fundamental frequency (2) Amplitude of the wave (3) Harmonics present (4) Velocity of sound in the medium
Last Answer : (3) Harmonics present Explanation: Sound "quality" or "timbre" describes those characteristics of sound which allow the ear to distinguish sounds which have the same pitch and loudness. Timbre is mainly ... and the attack-decay envelope of the sound. Harmonic content is the most important of these.
Description : Intensity of any wave is proportional to which of the following? (1) Amplitude (2) Square of amplitude (3) Square root of amplitude (4) Cube of amplitude
Last Answer : (2) Square of amplitude Explanation: The energy of a wave is proportional to the square of its amplitude. Therefore, the intensity of a wave is also proportional to the square of its amplitude.
Description : Of the following properties of a wave, the one that is independent of the other is its (1) amplitude (2) velocity (3) wavelength (4) frequency
Last Answer : (1) amplitude Explanation: The maximum extent of a vibration or oscillation, measured from the position of equilibrium.
Description : When a light wave is reflected from a mirror, there is a change in its – (1) frequency (2) amplitude (3) wavelength (4) velocity
Last Answer : (2) amplitude Explanation: When a light wave is reflected from an object, it changes not only its amplitude but also its phase according to the properties of the object at a particular point. The velocity and momentum are just reversed in another direction.
Last Answer : a) amplitude Explanation: The maximum extent of a vibration or oscillation, measured from the position of equilibrium.
Description : A 1000W carrier is amplitude modulated to a depth of 85%. Calculate the total power of the modulated wave? A. 1361.25 W B. 680.62 W C. 1425 W D. 712.5 W
Last Answer : A. 1361.25 W
Description : What is the period of a wave? A. The number of degrees in tone cycle B. The number of zero crossing in one cycle C. The amplitude of the wave D. The time required to complete one cycle
Last Answer : D. The time required to complete one cycle
Description : Three audio waves with 100,200 and 300 volts amplitude respectively, simultaneously modulate a 450 volts carrier. What is the total percent of modulation of the AM wave? A. 69 % B. 115.5 % C. 50% D. 83%
Last Answer : D. 83%
Description : In FM, frequency of modulated wave varies with A. amplitude B. time C. wavelength D. energy
Last Answer : time
Description : Variation in amplitude or frequency of carrier wave is called A. amplitude modulation B. frequency modulation C. modulation D. bandwidth
Last Answer : modulation
Description : Amplitude of modulated wave is in phase with A. output B. system C. frequency D. signal
Last Answer : signal
Description : Highest point on AC graph is known as A. peak value B. amplitude C. frequency D. wave front
Last Answer : peak value
Description : If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is________ V. A) 2 B) 1 C) -2 D) between -2 and 2
Last Answer : -2
Description : The skin depth is calculated from the amplitude of the wave. State true/false a) True b) False
Last Answer : a) True
Description : Pick up the correct statement from the following: (A) Frequency is the number of wave crests passing a fixed point in one second (B) Frequency of a wave is measured in Hertz (Hz) (C) Amplitude of a wave is the height of its crust from the mid-point (D) All of these
Last Answer : Answer: Option D
Description : When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called (A) Surf (B) Clapotis (C) Fetch (D) Swell
Last Answer : (B) Clapotis
Description : What is the instantaneous amplitude of a sine wave?
Last Answer : The value at any given point on the sine wave.
Description : Interference in thin film is mainly because of (a) Division amplitude (b) Division of wave fronts (c) Addition of amplitude (d) Addition of wave fronts
Last Answer : (a) Division amplitude
Description : Interference in thin film is mainly because of A. Division amplitude B. Division of wave fronts C. Addition of amplitude D. Addition of wave fronts
Last Answer : A. Division amplitude
Description : Two sources of light are said to be coherent if __________. A. they produce waves of the same wave length B. they have the same amplitude of vibration C. they produce waves in the medium simultaneously D. they produce waves of the same amplitude
Last Answer : D. they produce waves of the same amplitude
Description : The speed of any mechanical wave as it propagates through a medium is dependent mainly on the A. frequency of the wave source B. wavelength C. period of the wave D. type of medium through which the wave travels E. amplitude
Last Answer : D. type of medium through which the wave travels
Description : .As a wave travels down a spring, the amplitude slowly decreases. Why does this occur? A. The law of conservation of energy does not apply to waves. B. The energy is spread out along the entire ... due to friction as the particles in the spring rub against each other. E. all of the above
Last Answer : D. Some energy is lost due to friction as the particles in the spring rub against each other.
Description : The amplitude of a wave is ______. (i) the distance the wave moves in one second (ii). the distance the wave moves in one time period of the wave (iii) the maximum distance moved by the medium particles on either side of the mean position* (iv) the distance equal to one wave length
Last Answer : iii) the maximum distance moved by the medium particles on either side of the mean position*
Description : What is the amplitude of a standing wave at its node?
Last Answer : ANSWER: 0
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 : 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