What is the behavior of waves when they strike a surface?

What is the behavior of waves when they strike a surface?
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what is the complete spectrum of electromagnetic wavefrequencies and wavelengths
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What happenens if waves strike a reflective surface at an angle other than 90 degrees?

Description : What happenens if waves strike a reflective surface at an angle other than 90 degrees?

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Which of the following statements is false? a. Earthquakes occur in plate boundaries b. The time and location of most major earthquakes can be predicted several days in advance c. Earthquakes can be caused by normal, reverse and strike-slip faulting d. P waves travel faster than both S waves and Surface waves

Description : Which of the following statements is false? a. Earthquakes occur in plate boundaries b. The time and location of most major earthquakes can be predicted several days in advance c. Earthquakes can be ... reverse and strike-slip faulting d. P waves travel faster than both S waves and Surface waves

Last Answer : b. The time and location of most major earthquakes can be predicted several days in advance

When Nazrul went on hunger strike against the unjust behavior of Hooghly jail officials, what did he write and send telegraph to Rabindranath Nazrul ?

Description : When Nazrul went on hunger strike against the unjust behavior of Hooghly jail officials, what did he write and send telegraph to Rabindranath Nazrul ?

Last Answer : Give up hunger strike. Our literature claims you. Writes and sends telegraphs.

When electromagnetic waves strike the boundary of denser medium they are __________. A. Reflected, in phase B. Reflected out of phase by 180° C. reflected, they are completely absorbed

Description : When electromagnetic waves strike the boundary of denser medium they are __________. A. Reflected, in phase B. Reflected out of phase by 180° C. reflected, they are completely absorbed

Last Answer : B. Reflected out of phase by 180°

The mode theory uses electromagnetic wave behavior to describe the propagation of the light along the fiber. What is a set of guided electromagnetic waves called?

Description : The mode theory uses electromagnetic wave behavior to describe the propagation of the light along the fiber. What is a set of guided electromagnetic waves called?

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Place directly above focus on Earth’s surface is known as -----? A. Strike B. Comma C. Epicenter (Answer) D. Origin

Description : Place directly above focus on Earth’s surface is known as -----? A. Strike B. Comma C. Epicenter (Answer) D. Origin

Last Answer : C. Epicenter (Answer)

The method of alighting the aeroplane on water during a ditching is to: a. Carry out a normal approach with flaps and gear selected as normal but to calculate all speeds plus 10kts b. Reduce the approach angle to 1.5deg (150ft/mile), add 15kts to all speeds, keep the aeroplane clean (no flaps or gear) and fly it into the surface c. Fly a normal approach but keep the gear up and land at lowest possible speed with the nose raised for the tail to strike first d. Fly a normal approach to stalling speed and then drop the aeroplane vertically onto the water

Description : The method of alighting the aeroplane on water during a ditching is to: a. Carry out a normal approach with flaps and gear selected as normal but to calculate all speeds plus 10kts b. Reduce ... d. Fly a normal approach to stalling speed and then drop the aeroplane vertically onto the water

Last Answer : c. Fly a normal approach but keep the gear up and land at lowest possible speed with the nose raised for the tail to strike first

In which tectonic environment, you can find the surface expression in the form of folding? (A) Extensional (B) Compressional (C) Strike slip (D) All of these

Description : In which tectonic environment, you can find the surface expression in the form of folding? (A) Extensional (B) Compressional (C) Strike slip (D) All of these

Last Answer : (B) Compressional 

In studies of the surface of the earth, a reverse fault having a dip between 10 and 45 degrees is known as a: w) thrust fault x) normal fault y) strike-slip fault z) neither of these

Description : In studies of the surface of the earth, a reverse fault having a dip between 10 and 45 degrees is known as a: w) thrust fault x) normal fault y) strike-slip fault z) neither of these

Last Answer : ANSWER: W -- THRUST FAULT 

A man is sitting by the side of a large lake. He hears the utterances of bathers with their mouth close to water surface more clearly than if they were at same distance away on land. This effect is due to sound waves undergoing (a) Reflection (b) Refraction (c) Dispersion (d) Total internal reflection

Description : A man is sitting by the side of a large lake. He hears the utterances of bathers with their mouth close to water surface more clearly than if they were at same distance away on land. This ... due to sound waves undergoing (a) Reflection (b) Refraction (c) Dispersion (d) Total internal reflection

Last Answer : Ans:(c)

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Description : I am the creature that robs men of their dignity, pride, and will. I feast on children's dreams till' they have none. I am the monster in your head, waiting to strike. What am I? -Riddles

Last Answer : I am fear, SO FEAR ME!

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Description : The title of the problem tells you how to approach these four questions.(A). A bus leaves Moscow for Tula at noon. An hour later a cyclist leaves Tula for mosco, moving slower than the bus. ... Now check the answers. Did you fall into any of the traps which lurk in these simple problems? -Riddles

Last Answer : (A). Neither (B). A pound of metal is always more than half a pound of the same metal. (C). Six strokes took 30 seconds, therefore 12 strokes will take 60 seconds. But when the clock struck ... , therefore 12 strokes will take 66 seconds. (D). There is always a plane that contains any 3 points

When cathode rays strike a target of high atomic weight, they give rise to – 1) α -rays (2) β and γ rays (3) X-rays (4) positive rays

Description : When cathode rays strike a target of high atomic weight, they give rise to – 1) α -rays (2) β and γ rays (3) X-rays (4) positive rays

Last Answer : (3) X-rays Explanation: When cathode rays strike a solid target of high atomic weight and high melting point such as tungsten, molybdenum, etc, they give rise to a highly pen-etrating radiation called the X-rays (LIT Physics by Dr. P.K Aganval).

Your workers go on strike because they have demanded $20/hour and your wage negotiation ceiling is at $18/hour. Assuming that there are no other labor demands, how long will the strike last? a. 2 weeks b. 4 weeks c. 8 weeks d. 16 weeks e. There is no way to determine how long the strike will last.

Description : Your workers go on strike because they have demanded $20/hour and your wage negotiation ceiling is at $18/hour. Assuming that there are no other labor demands, how long will the strike last? a. 2 weeks b. ... . 8 weeks d. 16 weeks e. There is no way to determine how long the strike will last.

Last Answer : a. 2 weeks

what is the difference between longitudinal and surface waves?

Description : what is the difference between longitudinal and surface waves?

Last Answer : Longitudinal wave particles move parallel to the way the wave is moving. Surface wave particles move in a circular motion.

How if you exert more energy in creating periodic waves trapping the surface with greater strength?

Description : How if you exert more energy in creating periodic waves trapping the surface with greater strength?

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Why would surface waves be more damaging than p waves and S waves?

Description : Why would surface waves be more damaging than p waves and S waves?

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Medical Science Recording of brain waves from outer surface of head is called _____. A. E.C.G. B. MRI C. C.T. scan D. E.E.G

Description : Medical Science Recording of brain waves from outer surface of head is called _____. A. E.C.G. B. MRI C. C.T. scan D. E.E.G

Last Answer : ANSWER: D

Recording of brain waves from outer surface of head is called _____. A. E.C.G. B. MRI C. C.T. scan D. E.E.G

Description : Recording of brain waves from outer surface of head is called _____. A. E.C.G. B. MRI C. C.T. scan D. E.E.G

Last Answer : ANSWER: D

What is the epicentre of an Earthquake? (1) The point at which earth-quake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth's surface vertically above the seismic focus

Description : What is the epicentre of an Earthquake? (1) The point at which earth-quake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth's surface vertically above the seismic focus

Last Answer : (4) The point on the earth's surface vertically above the seismic focus Explanation: The epicenter is the point on the Earth's surface that is directly above the hypocenter or focus, the point where ... point where the fault begins to rupture, and in most cases, it is the area of greatest damage.

Which of the following options correctly explains the term heat budget? (1) It is a mode of transfer of heat through matter by molecular activity. (2) It is the balance between incoming and outgoing radiation. (3) It is the radiation from the earth in the form of long waves. (4) It is the amount of heat which the surface of earth receives from the sun.

Description : Which of the following options correctly explains the term heat budget? (1) It is a mode of transfer of heat through matter by molecular activity. (2) It is the balance between incoming and outgoing radiation. ... waves. (4) It is the amount of heat which the surface of earth receives from the sun.

Last Answer : (2) It is the balance between in-coming and outgoing radiation. Explanation: Incoming heat being absorbed by the Earth, and outgoing heat escaping the Earth in the form of radiation are both ... each passing year. This balance between incoming and outgoing heat is known as Earth's heat budget.

Light waves projected on oil surface show seven colours due to the phenomenon of (1) polarisation (2) refraction (3) reflection (4) interference

Description : Light waves projected on oil surface show seven colours due to the phenomenon of (1) polarisation (2) refraction (3) reflection (4) interference

Last Answer : (4) interference Explanation: In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude.

When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are – (1) longitudinal (2) transverse (3) both longitudinal and transverse (4) waves are not produced

Description : When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are – (1) longitudinal (2) transverse (3) both longitudinal and transverse (4) waves are not produced

Last Answer : (2) transverse Explanation: The waves produced on the surface of water in the pond is an example of transverse waves as particles of the medium do not move along with the wave. Only the disturbance is carried forward. Another example of such waves is the vibrations of a string.

Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface? (1) Ionosphere (2) Stratosphere (3) Mesosphere (4) Exosphere

Description : Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface? (1) Ionosphere (2) Stratosphere (3) Mesosphere (4) Exosphere

Last Answer : (1) Ionosphere Explanation: Long distance propagation of radio waves depends on an invisible layer of charged particles, which envelops the Earth. This layer of charged particles known as the ionosphere ... communication during the early part of the twentieth century, the ionosphere came as a boon.

In general, the most destructive earthquake waves are the ----- ? A. P waves B. S waves C. Surface waves (Answer) D. All of the above

Description : In general, the most destructive earthquake waves are the ----- ? A. P waves B. S waves C. Surface waves (Answer) D. All of the above

Last Answer : C. Surface waves (Answer)

How to increase the brightness of the pixel? a) Sound b) Amount of light c) Surface d) Waves

Description : How to increase the brightness of the pixel? a) Sound b) Amount of light c) Surface d) Waves

Last Answer : b) Amount of light

An enormous amount of energy is released during an earthquake as seismic waves which are of (a) Primary or pressure waves(P-waves) (b) Secondary or transverse waves(S-waves) (c) Long waves or surface waves(L-waves) (d) All of the above

Description : An enormous amount of energy is released during an earthquake as seismic waves which are of (a) Primary or pressure waves(P-waves) (b) Secondary or transverse waves(S-waves) (c) Long waves or surface waves(L-waves) (d) All of the above

Last Answer : (d) All of the above

Which of the following waves is the slowesta) Pwaves b) Swaves c) Surface waves d) Tsunami

Description : Which of the following waves is the slowest a) Pwaves b) Swaves c) Surface waves d) Tsunami

Last Answer : d) Tsunami

Pick up the correct statement from the following: (A) The surface defined by the locus of points having same phase, is called a wave front (B) The wave whose surface of constant phase are parallel planes, is known as a plane wave (C) The relative phase difference between the waves is important and not the absolute phase of a point on the wave (D) All of these

Description : Pick up the correct statement from the following: (A) The surface defined by the locus of points having same phase, is called a wave front (B) The wave whose surface of constant phase are parallel planes, ... waves is important and not the absolute phase of a point on the wave (D) All of these

Last Answer : Answer: Option D

What is one of the major reasons for the fading of radio waves which have been reflected from a surface?

Description : What is one of the major reasons for the fading of radio waves which have been reflected from a surface?

Last Answer : Shifting in the phase relationships of the wave.

FrequenciesintheUHFrange normallypropagate bymeans of a. ground waves b. sky waves c. surface waves d.spacewaves

Description : FrequenciesintheUHFrange normallypropagate bymeans of a. ground waves b. sky waves c. surface waves d.spacewaves

Last Answer : d.spacewaves

Standing waves are formed when two sets of waves of equal amplitude and frequency w) are in phase x) are in opposite phase y) move through each other in opposite directions z) are reflected from the same surface

Description : Standing waves are formed when two sets of waves of equal amplitude and frequency w) are in phase x) are in opposite phase y) move through each other in opposite directions z) are reflected from the same surface

Last Answer : ANSWER: Y -- MOVE THROUGH EACH OTHER IN OPPOSITE DIRECTIONS 

Which of the following options correctly explains the term heat budget? (1) It is a mode of transfer of heat through matter by molecular activity. (2) It is the balance between incoming and outgoing radiation (3) It is the radiation from the earth in the form of long waves. (4) It is the amount of heat which the surface of earth receives from the sun.

Description : Which of the following options correctly explains the term heat budget? (1) It is a mode of transfer of heat through matter by molecular activity. (2) It is the balance between incoming and outgoing radiation ... waves. (4) It is the amount of heat which the surface of earth receives from the sun.

Last Answer :  It is the balance between incoming and outgoing radiation

When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are (1) longitudinal (2) transverse (3) both longitudinal and transverse (4) waves are not produced

Description : When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are (1) longitudinal (2) transverse (3) both longitudinal and transverse (4) waves are not produced

Last Answer : transverse

Which layer of the earth’s atmosphere reflect back the radio waves to the earth’s surface ? (1) ionosphere (2) stratosphere (3) mesosphere (4) exosphere

Description : Which layer of the earth’s atmosphere reflect back the radio waves to the earth’s surface ? (1) ionosphere (2) stratosphere (3) mesosphere (4) exosphere 

Last Answer : ionosphere

What is the epicentre of an Earthquake? (1) The point at which earthquake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth’s surface vertically above the seismic focus

Description : What is the epicentre of an Earthquake? (1) The point at which earthquake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth’s surface vertically above the seismic focus

Last Answer : The point on the earth’s surface vertically above the seismic focus

How closely have you been following the West Virginia teacher strike?

Description : How closely have you been following the West Virginia teacher strike?

Last Answer : I live in WV, and have been following the news. The only thing I can think of is that it has all been very peaceful, no fights, no fires, no murders during these rally's, so it's not ... lunches for the kids to get because for lots of the kids, school breakfast and lunches are their only meals.

Hollywood TV and movie writers may go on strike tomorrow. Is this a good thing or a bad thing?

Description : Hollywood TV and movie writers may go on strike tomorrow. Is this a good thing or a bad thing?

Last Answer : Could be bad for some people. I don’t care about Hollywood so it’s neither good or bad in my opinion. I’m going to continue my life in a mature and sensible way.

The US is sending a strike force (a bunch of Navy ships including an aircraft carrier) towards North Korea. How about if we start a lottery to guess the date Trump decides to launch cruise missiles at Pyongyang?

Description : The US is sending a strike force (a bunch of Navy ships including an aircraft carrier) towards North Korea. How about if we start a lottery to guess the date Trump decides to launch cruise missiles at Pyongyang?

Last Answer : I’ll guess Tuesday, April 11, to celebrate the day of the week he got more electoral votes than Clinton.

Why do animal predators lose focus before and during a strike? (details inside)

Description : Why do animal predators lose focus before and during a strike? (details inside)

Last Answer : I don't think they do. You are anthropomorphizing what you are observing. Predators are highly attuned to environmental factors that most people cannot discern, such as other odors, shifts in the ... the periphery. But watching a predator complete an attack shows them focused all the way through.

Is it ethical for medical doctors to strike, withholding even emergency care from patients?

Description : Is it ethical for medical doctors to strike, withholding even emergency care from patients?

Last Answer : It’s a direct violation of the vaunted Hippocratic oath for a doctor to withhold services for any reason other than harming the patient. Do physicians still swear the oath?

If it were possible to climb through your computer screen at the strike of midnight where would you end up?

Description : If it were possible to climb through your computer screen at the strike of midnight where would you end up?

Last Answer : On ask-public. or nowhere because I am asleep.

Any opinions on the decision to strike down teacher tenure?

Description : Any opinions on the decision to strike down teacher tenure?

Last Answer : answer:Good move. If you can't fire a bad (tenured) teacher, students and their taxpaying parents have no chance. If private institutions want to establish tenure, so be it. The tuition payers can ... to escape to a private school and/or are deprived of a voucher, are stuck with tenured mediocrity.

Sochi Olympics. On a scale of 1 to 10, in your opinion, how likely do you feel that terrorists will strike during the Olympics?

Description : Sochi Olympics. On a scale of 1 to 10, in your opinion, how likely do you feel that terrorists will strike during the Olympics?

Last Answer : answer:0.5 and I hope I am not proven wrong Most of their recent attacks have been suicide bombings correct? So, probably that.

How large and powerful can a lightning strike get?

Description : How large and powerful can a lightning strike get?

Last Answer : Well they’re powerful enough to produce gamma rays and antimatter; on a scale of powerful terrestrial effects, that’s pretty potent in my book.

What will we do with 2400 Strike Fighters?

Description : What will we do with 2400 Strike Fighters?

Last Answer : Which would change the world for the better? 2400 Strike Fighters with all that goes into operating them… or take half that money and invest it in Solar, Wind, or RoofTop Garden technology?

In the spirit of a sympathy strike, what would you like to "Occupy" today?

Description : In the spirit of a sympathy strike, what would you like to "Occupy" today?

Last Answer : In the spirit of striking against the perpetual, unending laundry pile, I would like to occupy my bed for two more hours. ;)

What's the closest you have been to a lightning strike?

Description : What's the closest you have been to a lightning strike?

Last Answer : answer:Very close. My house got hit and that was insane to hear and feel that. Trees on my property have been blasted but the absolute craziest was a tree that got whacked 20 feet from my tent! I ... of my house 30 feet from my front porch. Watching it frame by frame is simply stunning to see.

Who is the black guy in Xmen: First Strike?

Description : Who is the black guy in Xmen: First Strike?

Last Answer : Edi Gathegi.

How should I strike up a conversation with a guy I like and drop some hints that I like him without sounding desperate?

Description : How should I strike up a conversation with a guy I like and drop some hints that I like him without sounding desperate?

Last Answer : Ask him to go to a flea market with you on a Saturday or Sunday morning.