Q: Which travels the fastest: Light or Sound? -General Knowledge

Q: Which travels the fastest: Light or Sound? -General Knowledge
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1 Answer

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Light   is the answer
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Related questions

Sound travels fastest in what?

Description : Sound travels fastest in what?

Last Answer : sound travels fastest in solid (about 8x faster)

Sound travels fastest in (a) Air (b) Water (c) Vacuum (d) Steel

Description : Sound travels fastest in (a) Air (b) Water (c) Vacuum (d) Steel

Last Answer : Ans:(d)

Among the following materials sound travels fastest in – (1) Steel (2) Air (3) Vacuum (4) Water

Description : Among the following materials sound travels fastest in – (1) Steel (2) Air (3) Vacuum (4) Water

Last Answer : (1) Steel Explanation: The speed of sound is the distance travelled during a unit of time by a sound wave propagating through an elastic medium. In dry air at 20 °C (68 °F), the speed ... varies from substance to substance. Sound travels faster in liquids and non-porous solids than it does in air.

Sound travels---- in solid materials then liquid? A. Constant B. Slowest C. Fastest (Answer) D. None of these

Description : Sound travels---- in solid materials then liquid? A. Constant B. Slowest C. Fastest (Answer) D. None of these

Last Answer : C. Fastest (Answer)

Among the following materials sound travels fastest in (1) Steel (2) Air (3) Vacuum (4) Water

Description : Among the following materials sound travels fastest in (1) Steel (2) Air (3) Vacuum (4) Water

Last Answer : Steel

Light travels fastest A. In a vacuum B. through water C. Through glass D. through diamond

Description : Light travels fastest A. In a vacuum B. through water C. Through glass D. through diamond

Last Answer : A. In a vacuum

Which form of heat transfer travels the fastest,convection or conduction?

Description : Which form of heat transfer travels the fastest,convection or conduction?

Last Answer : Conductor. A solid object is much better at conducting than gas, that’s why wires are wired. Air has a higher resitance to change, but also changes more than a static object, with different currents and influencing variables like humidity, barometric pressure etc.

Light waves are different from sound waves in that 1. Light waves are electromagnetic but sound waves are not 2. Light waves can travel through water but sound waves cannot 3. Light travels with the same speed in all media 4. Light waves produce interference but sound waves do not 5. Light can travel through vacuum but sound cannot Which of the above statements is/are correct? (a) 1 and 5 (b) 2 and 3 (c) 3 and 4 (d) 1 and 4

Description : Light waves are different from sound waves in that 1. Light waves are electromagnetic but sound waves are not 2. Light waves can travel through water but sound waves cannot 3. Light travels with the same speed in all media 4. Light ... /are correct? (a) 1 and 5 (b) 2 and 3 (c) 3 and 4 (d) 1 and 4

Last Answer : Ans:(a)

Sound travels faster in which thing? -General Knowledge

Description : Sound travels faster in which thing? -General Knowledge

Last Answer : The answer is 'Iron than in air'

Sound travels faster in which thing? -General Knowledge

Description : Sound travels faster in which thing? -General Knowledge

Last Answer : answer:

Sound travels faster in which thing? -General Knowledge

Description : Sound travels faster in which thing? -General Knowledge

Last Answer : answer:

A charged particle of mass `m` and charge `q` travels on a circular path of radius `r` that is perpendicular to a magnetic field `B`. The time takeen

Description : A charged particle of mass `m` and charge `q` travels on a circular path of radius `r` that is perpendicular to a magnetic field `B`. The time takeen

Last Answer : A charged particle of mass `m` and charge `q` travels on a circular path of radius `r` that is perpendicular to a ... (2pi qB)/(m)` D. `(2pi m)/(qB)`

A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for the both the trips? A.35 kmph B.4o kmph C.48 kmph D.55 kmph E.None of these

Description : A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for the both the trips? A.35 kmph B.4o kmph C.48 kmph D.55 kmph E.None of these

Last Answer : Answer – C (48 kmph) Explanation – Speed on return trip = 150% of 40 = 60 kmph Average speed = [2 x 40 x 60] / [40 + 6]km/hr =4800/100km/hr = 48 km/hr.

1. Sound travels faster in which thing? 2. Who was the first General-Secretary of the Indian National Congress? 3. From when was the Zero Base Budgeting in India first experimented? 4. Rainfall in the doldrums is of the nature of which precipitation? 5. Which first Indian leader to undergo imprisonment in 1882?

Description : 1. Sound travels faster in which thing? 2. Who was the first General-Secretary of the Indian National Congress? 3. From when was the Zero Base Budgeting in India first experimented? 4. Rainfall in ... equator found? 20. After whose name was a women's division of the Indian National Army named?

Last Answer : Answer : 1. Iron than in air 2. Dadabhai Naoroji 3. April, 1987 4. Orographic precipitation 5. C. Vijiaraghavachari 6. Bacteria, microalgae and fungi. 7. 500 8. Because of barium 9. ... By Parliamentary Act 17. Surface tension 18. Inflation 19. North of the geographical equator 20. Rani Jhansi

If sound travels through matter (air) and gas is a medium then what medium slows down the flow of sound the most?

Description : If sound travels through matter (air) and gas is a medium then what medium slows down the flow of sound the most?

Last Answer : Vacuum.

does sound travels in all mediums, true or false?

Description : does sound travels in all mediums, true or false?

Last Answer : FALSE

how,he speed of sound is about 3.4 × 102 meters per second. Mark is performing a science experiment and he needs to know how far sound travels in 3 × 1010 seconds. If Mark uses a calculator to solve this problem, how will the calculator show the answer?

Description : how,he speed of sound is about 3.4 × 102 meters per second. Mark is performing a science experiment and he needs to know how far sound travels in 3 × 1010 seconds. If Mark uses a calculator to solve this problem, how will the calculator show the answer?

Last Answer : 10200000000000

What If Sound travels at a speed of about 760 miles per hour and you are located at a distance of 19 miles from a very loud explosion approximately how long will it take from the time of the explosion?

Description : What If Sound travels at a speed of about 760 miles per hour and you are located at a distance of 19 miles from a very loud explosion approximately how long will it take from the time of the explosion?

Last Answer : What is the answer ?

Sound waves travels through gas, liquid, and solids?

Description : Sound waves travels through gas, liquid, and solids?

Last Answer : yes it travels through all three medium. infact sound will travle much faster through liquid and solid. remember how they show whale sounds in nature documentries??

Sound travels faster in which thing?

Description : Sound travels faster in which thing?

Last Answer : – Iron than in air

Consider the following statements: 1. A flute of smaller length produces waves of lower frequency. 2. Sound travels in rocks in the form of longitudinal elastic waves only. Which of the statements given above is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Description : Consider the following statements: 1. A flute of smaller length produces waves of lower frequency. 2. Sound travels in rocks in the form of longitudinal elastic waves only. Which of the statements given above is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Last Answer : Ans:(d)

Sound is heard over longer distances on rainy days because – (1) sound travels slowly in moist air (2) sound travels faster in moist air (3) moist air does not absorb sound (4) moist air absorbs sound

Description : Sound is heard over longer distances on rainy days because – (1) sound travels slowly in moist air (2) sound travels faster in moist air (3) moist air does not absorb sound (4) moist air absorbs sound

Last Answer : (2) sound travels faster in moist air Explanation: The speed of sound in a medium is inversely proportional to the square root of its density. Higher is the humidity in the air, greater will be the velocity ... of trains and others are heard up to longer distances on a rainy day than on a dry day.

In what medium sound travels the faster? A. Vacuum B. Solid C. Liquid D. Gas

Description : In what medium sound travels the faster? A. Vacuum B. Solid C. Liquid D. Gas

Last Answer : B. Solid

Sound travels faster in which thing?

Description : Sound travels faster in which thing?

Last Answer : Iron than in air

Sound is heard over longer distances on rainy days because (1) sound travels slowly in moist air (2) sound travels faster in moist air (3) moist air does not absorb sound (4) moist air absorbs sound

Description : Sound is heard over longer distances on rainy days because (1) sound travels slowly in moist air (2) sound travels faster in moist air (3) moist air does not absorb sound (4) moist air absorbs sound

Last Answer : sound travels faster in moist air

A certain thing is thrown twice from a place with the gap of 45 minutes between the two shots. A girl approaching this point in a train heard the second shot 44 minutes after she heard the first shot. What is the speed of train (in kmph) if sound travels at 660 m/s? a) 62 km/hr b) 54 km/hr c) 48 km/hr d) 27 km/hr

Description : A certain thing is thrown twice from a place with the gap of 45 minutes between the two shots. A girl approaching this point in a train heard the second shot 44 minutes after she heard the first shot. What is the speed of train ... travels at 660 m/s? a) 62 km/hr b) 54 km/hr c) 48 km/hr d) 27 km/hr

Last Answer : B Actual time between the two shots being fired = 45 minutes. If a girl was stationary she would have heard the shots after 44 minutes. But since the train was moving towards the source, she heard the second shot after ... = (15 *18/5) km/hr =54 km/hr Hence the speed of the train is 54 km/hr

I heard that If anything travels at the speed of light space time warps ; then what about light...

Description : I heard that If anything travels at the speed of light space time warps ; then what about light...

Last Answer : answer:Maybe in the universe you design this should be so, but it's not in the one we share. Light travels at a certain speed (in what we consider the vacuum of space-and which may not be so vacuous ... it travels at different speeds as it enters air, water, glass, etc. That's just the way it is.

The refractive indices of four media A, B, C and D are given in the following table: light-reflection-and-refraction-chapter-wise-important-questions-class-10-science-9 If light, travels from one medium to another, in which case the change in speed will be (i) minimum, (ii) maximum? -Physics

Description : The refractive indices of four media A, B, C and D are given in the following table: light-reflection-and-refraction-chapter-wise-important-questions-class-10-science-9 If light, travels from one medium to another, in which case the change in speed will be (i) minimum, (ii) maximum? -Physics

Last Answer : (i) Minimum change is seen as light moves between 1.50 and 1.52, i.e. B and C. (ii) Maximum change when light moves between 1.33 and 2.40, i.e. A and D.

If nothing travels at the speed of light, except light, how can a black hole also pull light into itself? -Space

Description : If nothing travels at the speed of light, except light, how can a black hole also pull light into itself? -Space

Last Answer : This bending of the light rays increases as the strength of the gravitational field increases. A black hole is simply a region where the effect on light is so great that light cannot escape the region.

Total internal reflection can take place when light travels from which thing? -Do You Know?

Description : Total internal reflection can take place when light travels from which thing? -Do You Know?

Last Answer : answer:

Is it true that Light travels faster in a material with a higher index of refraction?

Description : Is it true that Light travels faster in a material with a higher index of refraction?

Last Answer : Its False

What does not happen when light travels from water into air?

Description : What does not happen when light travels from water into air?

Last Answer : The following are some things that do not happen:The water decomposes into hydrogen and oxygen.The air gets sucked into the water, forming a whirlpool.The hydrogen in the water fuses, producing ... hydrogen in the water forming ammonia gas.The surface of the water becomes electrically charged.etc.

What is the speed at at which light travels?

Description : What is the speed at at which light travels?

Last Answer : Light travels at 186,000 miles per second.

Critical reflection will take place if light travels from (a) Air to water (b) Glass to air (c) Water to glass (d) Air to glass

Description : Critical reflection will take place if light travels from (a) Air to water (b) Glass to air (c) Water to glass (d) Air to glass

Last Answer : Ans:(b)

The characteristic invalid for heat radiation is that it travels – (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Description : The characteristic invalid for heat radiation is that it travels – (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Last Answer : (3) with the speed of light Explanation: Heat is a form of energy. An important property of heat is that it flows from a body at higher temperature to another body at lower temperature.

Which of these travels in glass with minimum velocity? (1) red light (2) violet light (3) green light (4) yellow light

Description : Which of these travels in glass with minimum velocity? (1) red light (2) violet light (3) green light (4) yellow light

Last Answer : (2) violet light Explanation: Red light has a longer wavelength than violet light and the other colours of visible light have intermediate wavelengths. As light passes from air into glass, there is ... and is refracted the least, while violet waves travel the slowest and is refracted the most.

The bending of light when a ray of light travels from one medium to another is called.?

Description : The bending of light when a ray of light travels from one medium to another is called.?

Last Answer : Refraction

Light travels through air or vacuum at a speed of 3?

Description : Light travels through air or vacuum at a speed of 3?

Last Answer : :x 108m/s

Rays which travels in the speed of light?

Description : Rays which travels in the speed of light?

Last Answer : Gamma rays

The loss in signal power as light travels down a fiber is called a. Dispersion b. Scattering c. Absorption d. Attenuation

Description : The loss in signal power as light travels down a fiber is called a. Dispersion b. Scattering c. Absorption d. Attenuation

Last Answer : d. Attenuation

What is the term for the ratio of actual velocity at which a signal travels through a line to the speed of light in a vacuum? A. Velocity factor B. Characteristic impedance C. Surge impedance D. Standing wave ratio

Description : What is the term for the ratio of actual velocity at which a signal travels through a line to the speed of light in a vacuum? A. Velocity factor B. Characteristic impedance C. Surge impedance D. Standing wave ratio

Last Answer : A. Velocity factor

Total internal reflection can take place when light travels from which thing?

Description : Total internal reflection can take place when light travels from which thing?

Last Answer : Diamond to glass

ECE Board Exam November 1996 The loss in signal power as light travels down a fiber is A. attenuation B. propagation C. absorption D. scattering

Description : ECE Board Exam November 1996 The loss in signal power as light travels down a fiber is A. attenuation B. propagation C. absorption D. scattering

Last Answer : A. attenuation

The loss in signal power as light travels down the fiber is called a. attenuation b. progragation c. scattering d. interruption

Description : The loss in signal power as light travels down the fiber is called a. attenuation b. progragation c. scattering d. interruption

Last Answer : attenuation

When a beam of light travels through media of two different densities, if theangle of incidence isgreater than the critical angle, _______ occurs. A) reflection B) refraction C) incidence D) criticism

Description : When a beam of light travels through media of two different densities, if theangle of incidence isgreater than the critical angle, _______ occurs. A) reflection B) refraction C) incidence D) criticism

Last Answer : reflection

The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption

Description : The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption

Last Answer : A) Attenuation

Light travels faster in a material with a lower refractive index. Therefore, light rays that travel a longer distance in a lower refractive index travel at a greater average velocity. What effect does this have on multimode graded-index fiber modal dispersion and bandwidth?

Description : Light travels faster in a material with a lower refractive index. Therefore, light rays that travel a longer distance in a lower refractive index travel at a greater average velocity. What effect does this have on multimode graded-index fiber modal dispersion and bandwidth?

Last Answer : Decreases the time difference between light rays, which reduces modal dispersion and increases fiber bandwidth.

Results in reduction in the power of light wave as it travels down the cable. ∙ A. power loss ∙ B. absorption loss ∙ C. resistive loss ∙ D. heat loss

Description : Results in reduction in the power of light wave as it travels down the cable. ∙ A. power loss ∙ B. absorption loss ∙ C. resistive loss ∙ D. heat loss

Last Answer : A. power loss

The loss in signal power as light travels down a fiber is called ∙ a. Dispersion ∙ b. Scattering ∙ c. Absorption ∙ d. Attenuation

Description : The loss in signal power as light travels down a fiber is called ∙ a. Dispersion ∙ b. Scattering ∙ c. Absorption ∙ d. Attenuation

Last Answer : ∙ d. Attenuation

The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption

Description : The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption

Last Answer : A) Attenuation