Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light
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(3) greater than the speed of sound Explanation: The regimes of flight are subsonic, transonic, supersonic and hypersonic. Vehicles that fly at supersonic speeds are flying faster than the speed of sound. The speed of sound is about 768 miles per hour (1,236 kilometers per hour) at sea level.
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Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: Supersonic travel is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) ... this speed is approximately 344 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h.

A supersonic plane flies at the speed (a) Less than the speed of the sound (b) Of sound (c) Greater than the speed of the sound (d) Of light

Description : A supersonic plane flies at the speed (a) Less than the speed of the sound (b) Of sound (c) Greater than the speed of the sound (d) Of light

Last Answer : Ans:(c)

Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Description : Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Last Answer : Yes and no. It depends on the material you are in. In order to keep things from traveling into the past, and thereby preserve local conservation of mass-energy, and thereby prohibit the universe ... eye, it is detected by cameras and serves as an important tool for scientists studying cosmic rays.

Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : (2) ultrasonic sound waves Explanation: The reason that bats use ultrasound is because it has such a high frequency and it has a low diffraction or it bends less. They use this sound to do a ... come faster in a particular area than the rest of the sounds then they know that something is near.

Bats can sense obstacles because they produce (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : ultrasonic sound waves

Supersonic aircraft fly with the speed_____.

Description : Supersonic aircraft fly with the speed_____.

Last Answer : Greater than the speed of sound

Supersonic air plane creates a shock wave called

Description : Supersonic air plane creates a shock wave called

Last Answer : Sonic Boom

The velocity of heat radiation in vacuum is – (1) Equal to that of light (2) Less than that of light (3) Greater than that of light (4) Equal to that of sound

Description : The velocity of heat radiation in vacuum is – (1) Equal to that of light (2) Less than that of light (3) Greater than that of light (4) Equal to that of sound

Last Answer : (1) Equal to that of light Explanation: Electrons are generally responsible for heat conduction. The phonons (vibrations of the nuclei) also play a part, depending on the temperature of the ... Electromagnetic radiation, which in a vacuum should go on forever at the speed of light theoretically.

The velocity of heat radiation in vacuum is (1) Equal to that of light (2) Less than that of light (3) Greater than that of light (4) Equal to that of sound

Description : The velocity of heat radiation in vacuum is (1) Equal to that of light (2) Less than that of light (3) Greater than that of light (4) Equal to that of sound

Last Answer : Equal to that of light

Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : (2) ultrasonic sound waves Explanation: The reason that bats use ultrasound is because it has such a high frequency and it has a low diffraction or it bends less. They use this sound to do a ... come faster in a particular area than the rest of the sounds then they know that something is near.

What is the high frequency sound that cannot be heard by the human ear? A. Ultrasonic B. Transonic C. Subsonic D. Supersonic

Description : What is the high frequency sound that cannot be heard by the human ear? A. Ultrasonic B. Transonic C. Subsonic D. Supersonic

Last Answer : A. Ultrasonic

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Description : The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Last Answer : they generate ultrasonic sound waves

In annihilation of matter the photons produced fly off at the speed of a) Light b) Sound c) Twice the speed of light d) None

Description : In annihilation of matter the photons produced fly off at the speed of a) Light b) Sound c) Twice the speed of light d) None

Last Answer : a) Light

Speed of sound is greater in solids than in liquids?

Description : Speed of sound is greater in solids than in liquids?

Last Answer : – Because the solids have high elasticity

How to fly a plane ?

Description : How to fly a plane ?

Last Answer : : High pressure of the air below the wing will help the plane to float in the air by eliminating the weight + gravity. This is how the process is done. And the job of the engine is to pull the plane ... air flow on the wings is so high that it can generate a lift to cancel the weight of the plane.

Why does the plane fly in the sky and its shadow does not fall on the ground ?

Description : Why does the plane fly in the sky and its shadow does not fall on the ground ?

Last Answer : The shadow falls when the plane flies in the sky , but the shadow is created for us to see if the position of the plane is subject to certain conditions. As the light source and the position of the object are ... in the middle of the day, the shadow of a kite / crow or a big bird is visible to us.

An index of refraction less than one for a medium would imply A. That the speed of light in the medium is the same as the speed of light in vacuum B. That the speed of light in the medium is greater than the speed of light in vacuum C. Refraction is not possible D. Reflection is not possible

Description : An index of refraction less than one for a medium would imply A. That the speed of light in the medium is the same as the speed of light in vacuum B. That the speed of light in the ... greater than the speed of light in vacuum C. Refraction is not possible D. Reflection is not possible

Last Answer : B. That the speed of light in the medium is greater than the speed of light in vacuum

The vapour pressure over the concave surface is (A) Less man the vapour pressure over the plane surface (B) Equal to the vapour pressure over the plane surface (C) Greater than the vapour pressure over the plane surface (D) Zero

Description : The vapour pressure over the concave surface is (A) Less man the vapour pressure over the plane surface (B) Equal to the vapour pressure over the plane surface (C) Greater than the vapour pressure over the plane surface (D) Zero

Last Answer : Answer: Option A

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

How does a supersonic electric jet airplane work?

Description : How does a supersonic electric jet airplane work?

Last Answer : They don’t work.

Is gravity really enough to pull a person to supersonic velocity?

Description : Is gravity really enough to pull a person to supersonic velocity?

Last Answer : answer:It has already been done. Here My assumption is terminal velocity only works if there is resistance to slow you down.

How well do plug-in supersonic devices work to repel spiders?

Description : How well do plug-in supersonic devices work to repel spiders?

Last Answer : Source: http://www.pestproducts.com/spider.htm Spider Elimination Kit Treat the perimeter of the building with a professional residual pesticide such as Cynoff WP WSB, Demon WP or Suspend SC at maximum strength. ... power dusting with Delta Dust would be best. I've never used these - just google'd.

Who is the creator of Supersonic Concord ?

Description : Who is the creator of Supersonic Concord ?

Last Answer : France and Britain are the makers of Supersonic Concord.

A supersonic jet produces sonic boom in a

Description : A supersonic jet produces sonic boom in a

Last Answer : A supersonic jet produces sonic boom in a A. Cone-like area behind the jet B. 10-100 km area C. both A and B D. Area of 10 km all around it.

A supersonic jet produces sonic boom in a

Description : A supersonic jet produces sonic boom in a

Last Answer : A supersonic jet produces sonic boom in a A. Cone-like area behind the jet B. 10-100 km area C. both A and B D. Area of 10 km all around it.

Why have we been able to build supersonic aircrafts but not supersonic ships?

Description : Why have we been able to build supersonic aircrafts but not supersonic ships?

Last Answer : Because water has a greater resistance than air, so a boat wouldneed to be incredibly powerful to go supersonic, beyond the limitsof current technology. The current water speed record is 'only'345mph.

If an engineer is designing a building in an area that has an occasional supersonic flight pass over it the engineer should apex?

Description : If an engineer is designing a building in an area that has an occasional supersonic flight pass over it the engineer should apex?

Last Answer : design extra reinforcements in the buildings windows so that they can withstand the vibrations from sonic booms

Supersonic jet causes pollution by thinning of - (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Description : Supersonic jet causes pollution by thinning of - (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Last Answer : (1) O3 layer Explanation: Three forms (or allotropes) of oxygen are involved in the ozone-oxygen cycle: oxygen atoms (O or atomic oxygen), oxygen has (O2 or diatomic oxygen), and ... oxygen radicals. The atomic oxygen radicals then combine with separate O2 molecules to create two O3 molecules.

Why an increase in area is required to produce an increase of velocity in case of supersonic flow ?

Description : Why an increase in area is required to produce an increase of velocity in case of supersonic flow ?

Last Answer : Increase in area for increase in velocity for supersonic flow is required because the density decreases faster than velocity increases at supersonic speeds and to maintain continuity of mass, area must increase.

The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.

Description : The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.

Last Answer : (b) O3 layer

In case of supersonic flow of a fluid through pipeline, the 'Mach number' is (A) 0 (B) 1 (C) < 1 (D) > 1

Description : In case of supersonic flow of a fluid through pipeline, the 'Mach number' is (A) 0 (B) 1 (C) < 1 (D) > 1

Last Answer : (D) > 1

Atmospheric pollution caused by the exhaust gas of supersonic transport air-crafts is mostly in the atmospheric region called (A) Thermosphere (B) Stratosphere (C) Troposphere (D) Mesosphere

Description : Atmospheric pollution caused by the exhaust gas of supersonic transport air-crafts is mostly in the atmospheric region called (A) Thermosphere (B) Stratosphere (C) Troposphere (D) Mesosphere

Last Answer : (B) Stratosphere

Indian and Russian scientists successfully test-fired a supersonic cruise missile named (1) GSAT – 1 (2) GSLV (3) Brahmos (4) INSAT –3B

Description : Indian and Russian scientists successfully test-fired a supersonic cruise missile named (1) GSAT – 1 (2) GSLV (3) Brahmos (4) INSAT –3B

Last Answer : Brahmos

Supersonic jet causes pollution by thinning of (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Description : Supersonic jet causes pollution by thinning of (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Last Answer : O3 layer

Decibel is the unit of ______. (1) Speed of light (2) Intensity of sound (3) Intensity of heat (4) None of these

Description : Decibel is the unit of ______. (1) Speed of light (2) Intensity of sound (3) Intensity of heat (4) None of these

Last Answer : (2) Intensity of sound Explanation: Decibel (dB) unit is used for expressing the ratio between two amounts of electric or acoustic power for measuring the relative loudness of sounds.

Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

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.

Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

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

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. When the bus and cyclist meet, which one of the two will be farther from Moscow?(B). Which is worth more: a pound of $10 gold peices or half a pound of $20 gold pieces?(C). At six o'clock the wall clock struck 6 times. Checking with my watch, I noticed the time between the first and last strokes was 30 seconds. How long will the clock take to strike 12 at midnight?(D). Three swallows fly outward from a point. When will they all be on the same plane in space?Now check the answers. Did you fall into any of the traps which lurk in these simple problems? -Riddles

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

Let’s say we are flying over a large, flat part of Africa. Half of the area is hotter than the other half. The surface pressure is 1000 hPa everywhere. If we fly over at an elevation of 500 m above the surface, in which area does the pressure gauge (altimeter) in our plane read the lowest pressure? (a) The cold part. (b) The hot part. (c) The gauge reads the same pressure everywhere. (d) The gauge varies with the latitude and the temperature of the surface.

Description : Let's say we are flying over a large, flat part of Africa. Half of the area is hotter than the other half. The surface pressure is 1000 hPa everywhere. If we fly over at an elevation ... reads the same pressure everywhere. (d) The gauge varies with the latitude and the temperature of the surface.

Last Answer : (a) The cold part.

Why do brads not have respiratory trouble at the time of flying at high all? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less

Description : Why do brads not have respiratory trouble at the time of flying at high all? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less

Last Answer : (3) They have extra air sacs Explanation: The avian respiratory system delivers oxygen from the air to the tissues and also removes carbon dioxide. In addition, the respiratory system plays an ... play an important role in respiration (but are not directly involved in the exchange of gases).

Why do brids not have respiratory trouble at the time of flying at high altitude ? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less oxygen

Description : Why do brids not have respiratory trouble at the time of flying at high altitude ? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less oxygen

Last Answer : They have extra air sacs

If two objects fly in opposite directions can they both reach the speed of light relative to the starting point?

Description : If two objects fly in opposite directions can they both reach the speed of light relative to the starting point?

Last Answer : answer:Well the speed of light isn't infinite, but it's simple. You can't acheive infinity because it has no value, if you were accelerating you infinite speed you would just go faster and faster for ... something. You can't divide by 0, same as you can't divide by infinity, its not possible.

A twin goes on a high speed space journey (near the speed of light) and returns to meet his twin who stayed on earth. At their meeting the traveling twin has: w) aged more than the earthbound twin x) aged less than the earthbound twin y) aged the same as the earthbound twin

Description : A twin goes on a high speed space journey (near the speed of light) and returns to meet his twin who stayed on earth. At their meeting the traveling twin has: w) aged more than the earthbound twin x) aged less than the earthbound twin y) aged the same as the earthbound twin

Last Answer : ANSWER: X -- AGED LESS THAN THE EARTHBOUND TWIN 

Do stories of plane mishaps make you not want to fly?

Description : Do stories of plane mishaps make you not want to fly?

Last Answer : answer:No. I heard somewhere that planes are one of the safest means of transport. And plane mishaps are not so many. I still trust plane And moreover, if there is any accident, at least I will die too quickly to even know that.

Does hearing about a plane crash make you afraid to fly?

Description : Does hearing about a plane crash make you afraid to fly?

Last Answer : No, because it’s still statistically safer to fly.

I have to fly in a small non pressurized plane tomorrow and I just started getting a head cold. What product shall I use?

Description : I have to fly in a small non pressurized plane tomorrow and I just started getting a head cold. What product shall I use?

Last Answer : The decongestant is probably a good idea. I’ve successfully used EarPlanes earplugs to stop the ear pressure/pain.

How many years can a plane fly? As a pilot?

Last Answer : ".... the moment you doubt the possibility of taking off, you lose forever the ability to prove it ..." James Barrie, Peter Pan. Each applicant for flight training must be at least 16 years ... professional pilot in the future, he may be included in further training ... from the QA Aviation School

Can a woman fly a plane?

Description : Interestingly, I've never seen an airplane pilot before.

Last Answer : And how many male pilots did you actually see? ] :) A woman can also be a pilot. Of course, there are many fewer, rather exceptional, but they do occur! They even fly ... /ona.idnes.cz/v-kabine-neni-cas-na-flirty-rika-pilotka-dopravniho-letadla-pau-/spolecnost.aspx?c=A100104_130010_ona_ony_ves