To an astronaut in a spacecraft, the sky appears to be (1) Blue (2) White (3) Dark (4) Red

To an astronaut in a spacecraft, the sky appears to be (1) Blue (2) White (3) Dark (4) Red
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Dark
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To an astronaut in the spacecraft, the sky colour appears to be (a) Blue (b) White (c) Black (d) Orange red

Description : To an astronaut in the spacecraft, the sky colour appears to be (a) Blue (b) White (c) Black (d) Orange red

Last Answer : Ans:(c)

To an astronaut sky appears (1) white (2) rich blue (3) light blue (4) dark

Description : To an astronaut sky appears (1) white (2) rich blue (3) light blue (4) dark

Last Answer : dark

Why the sky appears dark instead of blue to an astronaut in space? -Space

Description : Why the sky appears dark instead of blue to an astronaut in space? -Space

Last Answer : The sky appears blue when the scattering of light takes place through the atmosphere.The blue color of the sky is due to scattering of light from the atmosphere.As there is no atmosphere in ... sky appears dark instead of blue to an astronaut in space. Public Domain Image, source: Shutterstock

An astronaut in outer space will observe sky as (1) white (2) black (3) blue (4) red

Description : An astronaut in outer space will observe sky as (1) white (2) black (3) blue (4) red

Last Answer : black

Sky appears to an astronaut–

Description : Sky appears to an astronaut–

Last Answer : Black

In absence of atmosphere, the colour of sky appears (a) blue (b) black (c) red (d) yellow

Description : In absence of atmosphere, the colour of sky appears (a) blue (b) black (c) red (d) yellow

Last Answer : (b) black

The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Description : The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Last Answer : (3) The atmosphere scatters blue colour more than the others Explanation: Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by ... the atmosphere (approximately 25% of the incident radiation when the sun is high in the Sky.

The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Description : The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Last Answer : (3) The atmosphere scatters blue colour more than the others Explanation: Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by ... the atmosphere (approximately 25% of the incident radiation when the sun is high in the Sky.

The sky appears blue because (1) all colours interfere to produce blue (2) in white light, the blue component dominates (3) the atmosphere scatters blue colour more than the others (4) it is actually blue

Description : The sky appears blue because (1) all colours interfere to produce blue (2) in white light, the blue component dominates (3) the atmosphere scatters blue colour more than the others (4) it is actually blue

Last Answer : the atmosphere scatters blue colour more than the others

An astronaut inside a spacecraft is in a state of weightlessness. This implies that A. The mass of the astronaut is reduced to zero B. Gravity inside the spacecraft ceases to act C. The astronaut is outside the D. The astronaut and the spacecraft are both in a free-falling state

Description : An astronaut inside a spacecraft is in a state of weightlessness. This implies that A. The mass of the astronaut is reduced to zero B. Gravity inside the spacecraft ceases to act C. The astronaut is outside the D. The astronaut and the spacecraft are both in a free-falling state

Last Answer : ANSWER: D

Why the Sky appears blue?

Description : Why the Sky appears blue?

Last Answer : Due to the shorter wavelength of blue colour; it is scattered more than the red colour of longer wave- length

The sky appears blue because the earth’s atmosphere -----? A. Scatters blue light (Answer) B. Reflects blue light C. Transmits blue light D. Has actual blue cover

Description : The sky appears blue because the earth’s atmosphere -----? A. Scatters blue light (Answer) B. Reflects blue light C. Transmits blue light D. Has actual blue cover

Last Answer : A. Scatters blue light (Answer)

The sky appears blue because

Description : The sky appears blue because

Last Answer : the atmosphere scatters blue color more than the others

The sky appears blue because the earth’s atmosphere _____? A. Scatters blue light B. Transmits blue light C. Reflects blue light D. Has actual blue cover

Description : The sky appears blue because the earth’s atmosphere _____? A. Scatters blue light B. Transmits blue light C. Reflects blue light D. Has actual blue cover

Last Answer : ANSWER: C

The sky appears blue due to – (1) Rayleigh scattering (2) Mie scattering (3) Back scattering (4) None of the above

Description : The sky appears blue due to – (1) Rayleigh scattering (2) Mie scattering (3) Back scattering (4) None of the above

Last Answer : (1) Rayleigh scattering Explanation: The blue colour of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little ... absorbed blue light is then radiated in different directions. It gets scattered all around the sky.

The sky appears blue because of – (1) Atmospheric water vapour (2) Scattering of light (3) Reflection on sea water (4) Emission of blue wavelength by the sun

Description : The sky appears blue because of – (1) Atmospheric water vapour (2) Scattering of light (3) Reflection on sea water (4) Emission of blue wavelength by the sun

Last Answer : (2) Scattering of light Explanation: The sky is blue because the molecules in the air scatter light in the higher wavelengths (that is, the blue light), while lower wavelength light (that is ... reflected down from the scattering is blue, therefore a blue sky. This is called Rayleigh scattering.

The colour of sky appears blue due to – (1) reflection (2) refraction (3) scattering of shorter wave lengths (4) dispersion

Description : The colour of sky appears blue due to – (1) reflection (2) refraction (3) scattering of shorter wave lengths (4) dispersion

Last Answer : (3) scattering of shorter wave lengths Explanation: The sunlit sky is blue because air scatters short-wavelength light more than longer wavelengths. Since blue light is at the short wavelength end of the ... that the human eye perceives blue when looking toward parts of the sky other than the sun.

The sky appears blue due to (1) Rayleigh scattering (2) Mie scattering (3) Back scattering (4) None of the above

Description : The sky appears blue due to (1) Rayleigh scattering (2) Mie scattering (3) Back scattering (4) None of the above

Last Answer : Rayleigh scattering

The colour of sky appears blue due to (1) reflection (2) refraction (3) scattering of shorter wave lengths (4) dispersion

Description : The colour of sky appears blue due to (1) reflection (2) refraction (3) scattering of shorter wave lengths (4) dispersion

Last Answer : scattering of shorter wave lengths

The sky appears blue because of (1) Atmospheric water vapour (2) Scattering of light (3) Reflection on sea water (4) Emision of blue wavelength by the sun

Description : The sky appears blue because of (1) Atmospheric water vapour (2) Scattering of light (3) Reflection on sea water (4) Emision of blue wavelength by the sun

Last Answer : Scattering of light

The sun appears what color to an astronaut in space? -Technology

Description : The sun appears what color to an astronaut in space? -Technology

Last Answer : FROM THE SPACE STATION, MUCH OF THE ATMOSPHERE ISN'T IN THE WAY TO SCATTER LIGHT FROM THE SUN, SO THE FULL VISIBLE SPECTRUM COMES THROUGH AS A BRIGHT WHITE. ASTRONAUTS HAVE CAPTURED MANY IMAGES OF THE WHITE SUN FROM SPACE

In the absence of the earth's atmosphere, sky would appear – (1) blue (2) deep red (3) white (4) black

Description : In the absence of the earth's atmosphere, sky would appear – (1) blue (2) deep red (3) white (4) black

Last Answer : (4) black Explanation: Sky appears blue because the tiny particles of the earth's atmosphere scatter the blue colour (short wavelength) of the sunlight more dominantly than other wavelengths. A blue ... in the absence of earth's atmosphere because there would be no particles to scatter the light.

In the absence of the earth’s atmosphere, sky would appear (1) blue (2) deep red (3) white (4) black

Description : In the absence of the earth’s atmosphere, sky would appear (1) blue (2) deep red (3) white (4) black

Last Answer : black

An astronaut in outer space will observe sky as -General Knowledge

Description : An astronaut in outer space will observe sky as -General Knowledge

Last Answer : Hence the appearance of light is blue. But in outer space there is no scattering of light. There are no particles in space so there is no scattered light, and hence no light will reach the astronaut and astronaut in outer space will observe sky as Black

For an astronaut in a space ship, how does the sky appear?

Description : For an astronaut in a space ship, how does the sky appear?

Last Answer : Black

Why does CSF appears to be dark in T1 and white in T2?

Description : Why does CSF appears to be dark in T1 and white in T2?

Last Answer : I think that it is because the two types of MRI detirmine to color differently. T1 determines color based on spin-lattice relaxation time, while T2 determine color based on spin-spin relation time. Both ... dark. Since cerebrospinal fluid is mostly water, it shows up dark in T1 and light in T2.

A pl ant leaf appears to be green because it (a) Absorbs green light (b) Reflects all but yellow and blue light (c) Reflects green light (d) Absorbs red and yellow light

Description : A pl ant leaf appears to be green because it (a) Absorbs green light (b) Reflects all but yellow and blue light (c) Reflects green light (d) Absorbs red and yellow light

Last Answer : Ans:(c)

The term ‘Blue Shift’ is used to indicate? A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object? B. Turning a star from white to blue C. In future sun would become blue D. Black hole was blue at its start E. None of these

Description : The term Blue Shift' is used to indicate? A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object? B. Turning a star from white ... . In future sun would become blue D. Black hole was blue at its start E. None of these

Last Answer : A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object?

If white light shines on an object and the object appears blue, this means that?

Description : If white light shines on an object and the object appears blue, this means that?

Last Answer : The object reflects blue light more than it does any other color.

An object which absorbs all colours and reflects none appears: (1) White (2) Grey (3) Blue (4) Black

Description : An object which absorbs all colours and reflects none appears: (1) White (2) Grey (3) Blue (4) Black

Last Answer : (4) Black Explanation: A surface that absorbs all colours, reflecting none, is said to be black. Black is not a colour; it absorbs all the colours of the visible spectrum and reflects none of them to the eyes. White is a colour.

An object which absorbs all colours and reflects none appears: (1) white (2) grey (3) blue (4) black

Description : An object which absorbs all colours and reflects none appears: (1) white (2) grey (3) blue (4) black

Last Answer : black

Blue colour of the sky and red colour of sunset is due to

Description : Blue colour of the sky and red colour of sunset is due to

Last Answer : Ans. Dispersion

A small cluster of stars appear, after many decades of observation, to be converging toward a common point in the sky. Does the light from these stars show a: w) red Doppler shift x) blue Doppler shift y) no Doppler shift

Description : A small cluster of stars appear, after many decades of observation, to be converging toward a common point in the sky. Does the light from these stars show a: w) red Doppler shift x) blue Doppler shift y) no Doppler shift

Last Answer : ANSWER: W -- RED DOPPLER SHIFT 

Blue of the sky is due to the (a) Refraction of white light by the atmosphere (b) Reflection of white light by the earth (c) Scattering of white light by molecules of air (d) Interference of white light

Description : Blue of the sky is due to the (a) Refraction of white light by the atmosphere (b) Reflection of white light by the earth (c) Scattering of white light by molecules of air (d) Interference of white light

Last Answer : Ans:(c)

Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Description : Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Last Answer : (b). Blue to white

What are the white trailers you see behind airplanes in a blue sky?

Description : What are the white trailers you see behind airplanes in a blue sky?

Last Answer : exhaust

What type of cloud appears almost as as a blanket of clouds in the sky? a) Nimbus b) Stratus c) Cirrus d) Cumulous

Description : What type of cloud appears almost as as a blanket of clouds in the sky? a) Nimbus b) Stratus c) Cirrus d) Cumulous

Last Answer : b) Stratus

A star appears twinkling in the sky because of – (1) scattering of light by atmosphere (2) reflection of light by atmosphere (3) refraction of light by atmosphere (4) diffraction of light by atmosphere

Description : A star appears twinkling in the sky because of – (1) scattering of light by atmosphere (2) reflection of light by atmosphere (3) refraction of light by atmosphere (4) diffraction of light by atmosphere

Last Answer : (3) refraction of light by atmosphere Explanation: A star appears twinkling in the sky because of refraction of light, by atmosphere. Light bends when it passes obliquely from one medium to another. This is called refraction of light.

The sky from moon appears black. Why?

Description : The sky from moon appears black. Why?

Last Answer : Ans: as the moon has no atmosphere, so the sky looks completely black when viewed from the moon.

A star appears twinkling in the sky because of (1) scattering of light by atmosphere (2) reflection of light by atmosphere (3) refraction of light by atmosphere (4) diffraction of light by atmosphere

Description : A star appears twinkling in the sky because of (1) scattering of light by atmosphere (2) reflection of light by atmosphere (3) refraction of light by atmosphere (4) diffraction of light by atmosphere

Last Answer : refraction of light by atmosphere

The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?

Description : The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?

Last Answer : C. Of diffraction leading to red end of the spectrum reaching the earth.

The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules

Description : The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules

Last Answer : ANSWER: D

The following methods can be used to test solely the rod ERG: a. a rapidly flickering light b. red light stimulus c. low-density blue light in dark adapted eye d. focal ERG

Description : The following methods can be used to test solely the rod ERG: a. a rapidly flickering light b. red light stimulus c. low-density blue light in dark adapted eye d. focal ERG

Last Answer : low-density blue light in dark adapted eye

When the nurse assesses the patient and observes blue-red and dark brown plaques and nodules, she recognizes that these manifestations are associated with a) Kaposi’s sarcoma. Kaposi’s sarcoma is a frequent comorbidity of the patient with AIDS.

Description : When the nurse assesses the patient and observes blue-red and dark brown plaques and nodules, she recognizes that these manifestations are associated with a) Kaposi's sarcoma. Kaposi's sarcoma is ... syphilis. A painless chancre or ulcerated lesion is a typical finding in the patient with syphilis.

Last Answer : a) Kaposi’s sarcoma. Kaposi’s sarcoma is a frequent comorbidity of the patient with AIDS.

White shirt with dark blue pants?

Description : White shirt with dark blue pants?

Last Answer : Yep!

The following are true about the sensitivity of the visual system: a. in the dark the peak sensitivity of the eye is around 500nm b. in the light the peak sensitivity of the eye is around 555nm c. the cone can not respond to white flickering light of 20 Hz and above d. a dark-adapted eye is more sensitive to blue-green light than a light-adapted ey

Description : The following are true about the sensitivity of the visual system: a. in the dark the peak sensitivity of the eye is around 500nm b. in the light the peak sensitivity of the eye is around 555nm c ... Hz and above d. a dark-adapted eye is more sensitive to blue-green light than a light-adapted ey

Last Answer : a dark-adapted eye is more sensitive to blue-green light than a light-adapted ey

Can I cut off the top of my cherry tree(2-3yrs) appears dark and dead?

Description : Can I cut off the top of my cherry tree(2-3yrs) appears dark and dead?

Last Answer : wait until fall and put it in the ground then spray it with dormant oil, trim in the spring.

A colliodal solution is kept in dark and is illuminated by a beam of light then brightness appears at the right angle of direction of light. This effe

Description : A colliodal solution is kept in dark and is illuminated by a beam of light then brightness appears at the right angle of direction of light. This effe

Last Answer : A colliodal solution is kept in dark and is illuminated by a beam of light then brightness appears at ... C. Hardy schalze effect D. None of these

I wear a huge dark cloak, not unlike the one of a wizard, I am the opposite of warm, I don't walk-I float, I prefer to be sad, not happy. I appear in clouds, not in the sky, I can only be extinguished by a happy spell, I will take your soul, if you cross my path. I am a foul creature, amongst the foulest, you might call me a light extinguisher. What am I? -Riddles

Description : I wear a huge dark cloak, not unlike the one of a wizard, I am the opposite of warm, I don't walk-I float, I prefer to be sad, not happy. I appear in clouds, not in the sky, I can only ... path. I am a foul creature, amongst the foulest, you might call me a light extinguisher. What am I? -Riddles

Last Answer : A dementor from Harry Potter.