Do blue lights give better resolution than white light on a microscope?

Do blue lights give better resolution than white light on a microscope?
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A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Description : A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Last Answer : (a) Blue

Electron microscope has a high resolution power. This is due to (a) electromagnetic lenses (b) very low wavelength of electron beam (c) low wavelength of light source used (d) high numerical aperture of glass lenses used.

Description : Electron microscope has a high resolution power. This is due to (a) electromagnetic lenses (b) very low wavelength of electron beam (c) low wavelength of light source used (d) high numerical aperture of glass lenses used.

Last Answer : (b) very low wavelength of electron beam

Resolution by any microscope is ULTIMATELY limited by the: a) curvature of the lenses b) wavelength of the light c) light intensity d) lens aberrations

Description : Resolution by any microscope is ULTIMATELY limited by the: a) curvature of the lenses b) wavelength of the light c) light intensity d) lens aberrations

Last Answer : ANSWER: B -- WAVELENGTH OF THE LIGHT

Why would it be advantages to use blue light with compound microscope?

Description : Why would it be advantages to use blue light with compound microscope?

Last Answer : Ans. The limit, to which a microscope can be used to resolve details, depends upon the width of the objective. A wider objective and use of blue light (short wavelength) produces less diffraction and allows more details to be viewed.

How is resolution determined in microscope?

Description : How is resolution determined in microscope? 

Last Answer : To determine resolution, one must know the numerical aperture (NA) of the lens system. This denotes the size of the cone of light entering the aperture of the lens. The NA, typically etched ... the resolution of the lens system expressed in nm. Conversion to micrometers is usually the final step.

Why are stains such as methylene blue and iodine solution used when observeing cells under the microscope?

Description : Why are stains such as methylene blue and iodine solution used when observeing cells under the microscope?

Last Answer : What is the answer ?

The streak of a mineral can be obtained most easil by performing which of the following tests? w) rubbing the mineral on an unglazed white tile x) putting the mineral into acid y) scratching the mineral with a diamond z) examining the mineral under a microscope

Description : The streak of a mineral can be obtained most easil by performing which of the following tests? w) rubbing the mineral on an unglazed white tile x) putting the mineral into acid y) scratching the mineral with a diamond z) examining the mineral under a microscope

Last Answer : ANSWER: W -- RUBBING THE MINERAL ON AN UNGLAZED WHITE TILE

Artist(s) that covered "House of Blue Lights"?

Description : Artist(s) that covered "House of Blue Lights"?

Last Answer : answer:Take your pick straight out of artsites.ucsc.edu vvvvvv vvvvvvvvv House of Blue Lights Gary Haggerty, of the Berklee College of Music, informs me that The House of Blue Lights was a Chicago after ... * John Lee Hooker * George Thorogood and the Destroyers * Mitch Woods and the Rocket 88's

Why do public buses have blue-tinted lights inside them?

Description : Why do public buses have blue-tinted lights inside them?

Last Answer : Um its just a different kind of light, I don’t think it really makes a difference… if I’m positive I believe those are LED lights.

Why do some police cars have all blue lights and others have red and blue?

Description : Why do some police cars have all blue lights and others have red and blue?

Last Answer : You’re asking us?!? ;)

Anyone know the origin of a goodwill wish "Blue skies and green lights?

Description : Anyone know the origin of a goodwill wish "Blue skies and green lights?

Last Answer : answer:Apparently there are a number of references associated with either disc jockeys or late night tv guys. Heres one about Jack Jones: It has also been attributed to Drag Racers who appreciate good weather (blue skies) and stomping on the gas at “go” (Green Lights”).

Lights of different colours are arranged below in order of increasing wavelengths: 1. Violet, indigo, blue 2. Green, orange, red 3. Red, green, indigo 4. Blue, green, yellow Which of the above are in proper sequence? (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1 and 4

Description : Lights of different colours are arranged below in order of increasing wavelengths: 1. Violet, indigo, blue 2. Green, orange, red 3. Red, green, indigo 4. Blue, green, yellow Which of the above are in proper sequence? (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1 and 4

Last Answer : Ans:(d)

Arrange the following group of colored lights in the order of INCREASING wavelength: RED, ORANGE, GREEN, BLUE

Description : Arrange the following group of colored lights in the order of INCREASING wavelength: RED, ORANGE, GREEN, BLUE

Last Answer : ANSWER: BLUE, GREEN, ORANGE, RED

An electron microscope gives higher magnification than an optical microscope, because: (1) It uses more powerful lenses (2) the velocity of electron is smaller than that of visible (3) the electrons have more energy than the light particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Description : An electron microscope gives higher magnification than an optical microscope, because: (1) It uses more powerful lenses (2) the velocity of electron is smaller than that of visible (3) the ... particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Last Answer : (4) the wavelength of electrons is smaller as compared to the wavelength of visible light Explanation: An electron microscope uses a beam of electrons to illuminate a specimen and produce a ... photons. Magnification is the process of enlarging something only in appearance, not in physical size.

An electron microscope gives higher magnifications than an optical microscope because – (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as compared to the wavelength of visible light (3) The electrons have more energy than the light particulars (4) The electron microscope uses more powerful lenses

Description : An electron microscope gives higher magnifications than an optical microscope because - (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as ... have more energy than the light particulars (4) The electron microscope uses more powerful lenses

Last Answer : (2) The wavelength of electrons is smaller as compared to the wavelength of visible light Explanation: An electron microscope is a microscope that uses a beam of accelerated electrons as a spume ... a higher resolving power than a light microscope and can reveal the structure of smaller objects.

Electron Microscope is more magnifier than light microscope because –

Description : Electron Microscope is more magnifier than light microscope because –

Last Answer : Wavelength of electron is less than the wavelength of light

A major breakthrough in the studies of cells came with the development of electron microscope. This is because (a) the electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons (b) the resolving power of the electron microscope is much higher than that of the light microscope (c) the resolving power of the electron microscope is 200 - 350 nm as compared to 0.1 - 0.2 nm for the light microscope (d) electron beam can pass through thick materials, whereas light microscopy requires thin sections.

Description : A major breakthrough in the studies of cells came with the development of electron microscope. This is because (a) the electron microscope is more powerful than the light microscope as it ... (d) electron beam can pass through thick materials, whereas light microscopy requires thin sections.

Last Answer : (b) the resolving power of the electron microscope is much higher than that of the light microscope

An electron microscope gives higher magnifications than an optical microscope because : (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as compared to the wavelength of visible light (3) The electrons have more energy than the light particulars (4) The electron microscope uses more powerful lenses

Description : An electron microscope gives higher magnifications than an optical microscope because : (1) The velocity of electrons is smaller than that of light (2) The wavelength of electrons is smaller as ... have more energy than the light particulars (4) The electron microscope uses more powerful lenses 

Last Answer : The wavelength of electrons is smaller as compared to the wavelength of visible light

An electron microscope gives higher magnification than an optical microscope, because : (1) it uses more powerful lenses (2) the velocity of electron is smaller than that of visible light (3) the electrons have more energy than the light particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Description : An electron microscope gives higher magnification than an optical microscope, because : (1) it uses more powerful lenses (2) the velocity of electron is smaller than that of visible light (3) ... particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light

Last Answer : the wavelength of electrons is smaller as compared to the wavelength of visible light

With the right light can you turn the lens in your eye into a microscope?

Description : With the right light can you turn the lens in your eye into a microscope?

Last Answer : I think you turned your eye into a pinhole camera! When using my DSLR as a pinhole, dust on the sensor becomes very crisp, I think a similar thing happened with your eye. Because the light was shining ... opening, you got very crisp shadows of the floaters. I'm going to have to try this now =)

What is the drawback of a light microscope?

Description : What is the drawback of a light microscope?

Last Answer : Need answer

When observing the fungus under the light microscope the stundent stated that chloroplasts were present.do you think that the student observation was correct?

Description : When observing the fungus under the light microscope the stundent stated that chloroplasts were present.do you think that the student observation was correct?

Last Answer : The student's observation was not correct: fungi have nochloroplasts, plants do.

What is the magnification limit of a compound light microscope?

Description : What is the magnification limit of a compound light microscope?

Last Answer : Feel Free to Answer

What is the difference between a Light Microscopes and an Electron Microscope?

Description : What is the difference between a Light Microscopes and an Electron Microscope?

Last Answer : The optical microscope is the most common. It uses light to image a sample that is too small to be seen by the naked eye.The scanning electron microscope examines the surface of objects using an electron beam and measuring reflection.Short Answer = Resolution.

What is the difference between how a light microscope magnifies an image and how an electron microscope magnifies an image?

Description : What is the difference between how a light microscope magnifies an image and how an electron microscope magnifies an image?

Last Answer : What is the answer ?

What part of Microscope part that concentrates light on the object?

Description : What part of Microscope part that concentrates light on the object?

Last Answer : What is the answer ?

If a light microscope has an eyepiece lens of magnification x15 what magnification of objective lens would be needed to get a total magnification of x1500?

Description : If a light microscope has an eyepiece lens of magnification x15 what magnification of objective lens would be needed to get a total magnification of x1500?

Last Answer : The total magnification is equal to the magnification of theeyepiece multiplied by the magnification of the objective lens.So in this case the objective lens would need to be 100X.

What is the difference between a Light Microscopes and an Electron Microscope?

Description : What is the difference between a Light Microscopes and an Electron Microscope?

Last Answer : The optical microscope is the most common. It uses light to image a sample that is too small to be seen by the naked eye.The scanning electron microscope examines the surface of objects using an electron beam and measuring reflection.Short Answer = Resolution.

Which one of the following instruments is used to study dispersion of light? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Description : Which one of the following instruments is used to study dispersion of light? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Last Answer : (3) Spectrometer Explanation: Dispersion occurs when different frequencies of light have different phase velocities, due either to material properties (material dispersion) or to the geometry ... portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials.

Describe the parts and function of light microscope?

Description : Describe the parts and function of light microscope? 

Last Answer : Microscope is an instrument which is used to see small things that cannot see with naked eyes. The microscopes we use in our school are light microscope Parts  The Eyepiece Tubes  The Microscope Arm ... small for the naked eye to see.  With help of microscope we study cell and its structure

Nucleotide arrangement in DNA can be seen by (a) X-ray crystallography (b) electron microscope (c) ultracentrifuge (d) light microscope

Description : Nucleotide arrangement in DNA can be seen by (a) X-ray crystallography (b) electron microscope (c) ultracentrifuge (d) light microscope

Last Answer : (a) X-ray crystallography

If you wanted to study the surface of a bacterial cell, you would use a. A transmission electron microscope. b. A light microscope with phase-contrast optics. c. A scanning electron microscope. d. A light microscope with dark-field optics.

Description : If you wanted to study the surface of a bacterial cell, you would use a. A transmission electron microscope. b. A light microscope with phase-contrast optics. c. A scanning electron microscope. d. A light microscope with dark-field optics.

Last Answer : c. A scanning electron microscope.

If you wanted to study bacterial motility you would most likely use a. A transmission electron microscope. b. A tight microscope with dark-field optics. c. A scanning electron microscope. d. A light microscope with phase-contrast optics.

Description : If you wanted to study bacterial motility you would most likely use a. A transmission electron microscope. b. A tight microscope with dark-field optics. c. A scanning electron microscope. d. A light microscope with phase-contrast optics.

Last Answer : a. A transmission electron microscope.

Before bacterial cells are simple stained and observed with the light microscope, they must be a. Smeared on a slide. b. Heat fixed. c. Air dried. d. All the above (A—C) are correct.

Description : Before bacterial cells are simple stained and observed with the light microscope, they must be a. Smeared on a slide. b. Heat fixed. c. Air dried. d. All the above (A—C) are correct.

Last Answer : d. All the above (A—C) are correct.

Which of the following scientific instruments has the greatest resolving power? w) electron microscope x) light microscope y) phase-contrast microscope z) centrifuge

Description : Which of the following scientific instruments has the greatest resolving power? w) electron microscope x) light microscope y) phase-contrast microscope z) centrifuge

Last Answer : ANSWER: W -- ELECTRON MICROSCOPE

Which one of the following instruments is used to study dispersion of light ? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Description : Which one of the following instruments is used to study dispersion of light ? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Last Answer : Spectrometer

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.

which of the following statements is not true for scattering of light? (a) Colour of the scattered tight depends on the size of particles of the atmosphere. (b) Red light is least scattered in the atmosphere. (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir. d) The fine particles in the atmospheric air scatter the blue, light more strongly than red. So the scattered blue light enters our eyes.

Description : which of the following statements is not true for scattering of light? (a) Colour of the scattered tight depends on the size of particles of the atmosphere. (b) Red light is least scattered in the ... air scatter the blue, light more strongly than red. So the scattered blue light enters our eyes.

Last Answer : (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir.

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

Blue light is always less efficient in photosysthesis than (a) White (b) Red (c) Orange (d) Violet

Description : Blue light is always less efficient in photosysthesis than (a) White (b) Red (c) Orange (d) Violet

Last Answer : (b) Red

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

When operating a powerboat at night you see a green and white lights on another boat what do these lights tell you?

Description : When operating a powerboat at night you see a green and white lights on another boat what do these lights tell you?

Last Answer : Feel Free to Answer

The strangest feature of the strange aeroplane was a) It was black b) It was with colorful lights c) It was white d) It was without lights

Description : The strangest feature of the strange aeroplane was a) It was black b) It was with colorful lights c) It was white d) It was without lights

Last Answer : d) It was without lights

What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs

Description : What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs

Last Answer : Nucleosomes

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.

White light is passed through a prism of `5^(@)`. If refractive indices for red and blue rays are `1.641 and 1.659` respectively, calculate the angula

Description : White light is passed through a prism of `5^(@)`. If refractive indices for red and blue rays are `1.641 and 1.659` respectively, calculate the angula

Last Answer : White light is passed through a prism of `5^(@)`. If refractive indices for red and ... respectively, calculate the angular dispersion of the prism.

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)

Which colour is formed when Red and Green are mixed? (1) Light blue (2) Yellow (3) White (4) Grey

Description : Which colour is formed when Red and Green are mixed? (1) Light blue (2) Yellow (3) White (4) Grey

Last Answer : (2) Yellow Explanation: Red, green and blue are the primary colors and all other colors can be created from them. When red and green combine, the result is yellow.