What are the three requirements for a wave to be  propagated?

1 Answer

Answer :

A source, medium, and detector (receiver).

Related questions

Description : What composite field (composed of E and H fields) is propagated into free space?

Last Answer : Radiation field.

Description : The number of modes propagated in a multimode fiber depends on core size and numerical aperture (NA). If the core size and the NA decrease, will the number of modes propagated increase or decrease?

Last Answer : Decrease.

Description : A light ray incident on the optical fiber core is propagated along the fiber. Is the angle of incidence of the light ray entering the fiber larger or smaller than the acceptance angle

Last Answer : Smaller.

Description : When electromagnetic wave are propagated through a waveguide, they A. are reflected from the walls but do not travel along them B. travel along all four walls of the waveguide C. travel along the broader walls of the guide D. travel through the dielectric without touching the walls

Last Answer : A. are reflected from the walls but do not travel along them

Description : What are the three basic requirements for sound?

Last Answer : A source, medium, and detector (receiver).

Description : What are the three requirements for an operational amplifier?

Last Answer : . Very high gain, very high input impedance, very low output

Description : What are the three requirements necessary for oscillations to exist in a circuit?

Last Answer : Amplification, regenerative feedback, and frequency-determining device.

Description : What are the three fundamental requirements of a military communications system?

Last Answer : Reliability, security, and speed.

Description : What are the three requirements for an AM demodulator?

Last Answer : (1) Sensitive to the type of modulation applied, (2) nonlinear, and (3) provide filtering.

Description : What are the three requirements for cw transmission?

Last Answer : A method of generating oscillations, a method of turning the oscillations on and off (keying), and an antenna to radiate the energy.

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 : A light wave can be represented as a plane wave. What three properties of light propagation describe a plane wave?

Last Answer : Direction, amplitude, and wavelength of propagation

Description : What are the basic requirements for any splice or terminal connection?

Last Answer : The connection must be both mechanically and electrically as strong as the conductor or device with which it is used

Description : What are the requirements for an integration circuit?

Last Answer : The time constant is long and the output is taken across the capacitor in an RC circuit.

Description : What type of tube best meets the requirements of a modulator switching element?

Last Answer : Thyratron.

Description : What basic circuits meet the requirements of an externally synchronized master oscillator?

Last Answer : Sine-wave oscillator, single-swing blocking oscillator, and master trigger (astable) multivibrator.

Description : What type of tube best meets the requirements of a modulator switching element?

Last Answer : Thyratron.

Description : What basic circuits meet the requirements of an externally synchronized master oscillator?

Last Answer : Sine-wave oscillator, single-swing blocking oscillator, and master trigger (astable) multivibrator.

Description : Training requirements for (2M) repair personnel were developed under guidelines established by what organization?

Last Answer : Chief of Naval Operations (CNO).

Description : When you replace components, identification marks must meet what requirements?

Last Answer : They should be readable from a single point.

Description : Who is responsible for meeting environmental and electrical requirements of a system?

Last Answer : Equipment designers (planners).

Description : In what publication are environmental requirements for equipment defined?

Last Answer : Procurement specifications.

Description : Which of the above requirements is most important?

Last Answer : . Reliability.

Description : can apples be propagated by seed?

Last Answer : Need Answer

Description : I have thriving jasmine plants I need to trim. My neighbor asked for cuttings. Can jasmine be propagated from cuttings?

Last Answer : yes........................trim them and tell her to cut off the buds or flowers dip it in rootone and keep them inside until strong enough for harsher weather.

Description : CAN HONEYSUKLE VINES BE PROPAGATED BY CUTTINGS

Last Answer : Yes you should be able to do this with any type of honeysuckle. It is fairly easy. It is best if possible to do this in the spring when the first new growth appears but you can do it ... When you have several good roots of at least an inch long you can permanently plant the new honeysuckle plant.

Description : How is potato propagated? -Biology

Last Answer : answer:

Description : How is plant propagated by stem tuber? -Biology

Last Answer : answer:

Description : Do you think that fruits are not necessarily as healthy as it is propagated?

Last Answer : Not really. Fruits are equipped with all the necessary minerals and vitamins necessary in the body. If we were to eat most fruits then we could prevent many illnesses. Actually we messed up when we opted for strchy foods rather than fruits.

Description : Assertion : In case of vegetatively propagated crops, pure line selection is not requried. Reason : Hybrid vigour is mostly used in vegetatively propa

Last Answer : Assertion : In case of vegetatively propagated crops, pure line selection is not requried. Reason : ... D. If both assertion and reason are false

Description : Assertion: Many plants are propagated vegetatively even though they bear seeds. Reason: Potatoes multiply by tubers, apple by cutting etc.

Last Answer : Assertion: Many plants are propagated vegetatively even though they bear seeds. Reason: Potatoes ... both the assertion and reason are false.

Description : Tuber is commercially propagated by

Last Answer : Ans. Tubers

Description : Annual carnation is propagated by

Last Answer : Ans. Seeds

Description : Pointed gourd is propagated through

Last Answer : Ans. Vine cutting

Description : Apple is commercially propagated by

Last Answer : Ans. Tongue grafting and Whip budding

Description : Aonla is commercially propagated by

Last Answer : Ans. Inarching

Description : Jackfruit is commercially propagated by

Last Answer : Ans. Air layering

Description : Litchi is commercial propagated by

Last Answer : Ans. Air layering and Seed

Description : Sugarcane plants are usually propagated by vegetative means because - (1) they do not produce seeds (2) it is possible to maintain genetic quality (3) the incidence of disease may be reduced

Last Answer : (1) they do not produce seeds Explanation: Vegetative reproduction is a form of asexual reproduction in plants. It is a process by which new individuals arise without production ... propagation include cutting, vegetative apomixis, layering, division, budding, grafting and tissue culture.

Description : Electromagnetic waves of frequencies arbitrarily lower than 3,000 GHz, propagated in space without artificial guide. A. Space waves B. Terrestrial waves C. Mobile D. Hertzian waves

Last Answer : D. Hertzian waves

Description : ____________ is measuring the propagated field strength over the projected service area A. Radio sounding B. None of these C. Radio monitoring D. Radio survey

Last Answer : D. Radio survey

Description : EDS virus is propagated in C A. chicken embryo B. Partridge embryo C. Duck embryo D. None of the these

Last Answer : Duck embryo

Description : Newcastle disease virus can be propagated B A. on Nutrient agar B. Chicken embryo C. In broth D. None of these

Last Answer : Chicken embryo

Description : Gladiolus is propagated through: a. Bulbs b. Corms c. Tubers d. Rhizomes

Last Answer : Corms

Description : Rubber plant can be propagated through: a. Aerial layering b. Cutting c. All above d. None of above

Last Answer : All above

Description : Following species of citrus can be propagated through layering. a. Sweet orange b. Sweet lime c. Kaghzi lime d. None of above

Last Answer : Kaghzi lime

Description : Following species of citrus can be propagated through cutting. a. Sweet orange b. Sweet lime c. Kaghzi lime d. Non of above

Last Answer : Sweet lime

Description : Papaya is still being commercially propagated from a. Cutting b. Suckers c. Seeds d. Grafting

Last Answer : Seeds

Description : Lemons and limes can also be propagated by a. Layering b. Cuttings c. a & b d. None

Last Answer : a & b

Description : Which crop propagated by asexual means: a. Sweet potato b. Chillies c. Cauliflower d. None of above

Last Answer : Sweet potato