How many electron microscope in Pakistan and which place?

How many electron microscope in Pakistan and which place?
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Other than electrons, what else can you magnify and view with an electron microscope?

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What is the magnification of an electron microscope?

Description : What is the magnification of an electron microscope?

Last Answer : Answer: 100000.

(a) granular structure (b) first observed under the electron microscope as dense particles by Geprge Palade ( c ) composed of RNA and proteins not sur

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Last Answer : (a) granular structure (b) first observed under the electron microscope as dense particles by ... Nucleolus B. Ribosomes C. Cristae D. Chloroplast

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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?

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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?

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Under the electron microscope, you observe a cell with three different types of large organelles, each bounded by two membranes. The cell is most likely (a) A plant (b) An animal (c) A fungus (d) A bacterium

Description : Under the electron microscope, you observe a cell with three different types of large organelles, each bounded by two membranes. The cell is most likely (a) A plant (b) An animal (c) A fungus (d) A bacterium

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What is viewed through an electron microscope? (1) Electrons and other elementary particles (2) Structure of bacteria and viruses (3) Inside of human stomach (4) Inside of the human eye

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Last Answer : (2) Structure of bacteria and viruses Explanation: Electron microscopes are used to observe a wide range of biological and inorganic specimens including microorganisms, cells, large molecules, ... microscope because electrons have wavelengths about 100,000 times shorter than visible light photons.

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

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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 was invented by – (1) Knoll and Ruska (2) Robert. Koch (3) Lecuwenhock (4) C.P. Swanson

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Last Answer : (1) Knoll and Ruska Explanation: It is widely accepted that the first prototype of an electron microscope was built by Ernst Ruska and Max Knoll in 1931; it was not more powerful than an ... . An electron microscope uses a beam of electrons to illuminate a specimen and produce a magnified image.

Electron Microscope is more magnifier than light microscope because –

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The construction of electron microscope was based on?

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Write a note on Electron Microscope?

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Last Answer : This is advanced microscope. Its resolving power is 250 times more than a normal microscope. In this microscope a beam of electrons under high voltage is passed through object for making ... Electron microscope has a capacity to magnify an object upto 250000 times than its original size. 

Genetic engineering is possible, because (a) we can cut DNA at specific sites by endonucleases like DNase I (b) restriction endonucleases purified from bacteria can be used in vitro (c) the phenomenon of transduction in bacteria is well understood (d) we can see DNA by electron microscope

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Last Answer : (b) restriction endonucleases purified from bacteria can be used in vitro

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

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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.

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

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.

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

The _____ microscope would be used to view cell structures within ultrathin sections of cells. a. scanning electron b. transmission electron c. bright-field d. dark-field

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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.

Pick out the wrong statement. (A) The X-rays cannot be deflected by electric field unlike cathode rays (B) The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays (C) The quality of X-rays can be controlled by varying the anode-cathode voltage (D) Crystal structure of a material can be studied by an electron microscope

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What type of microscope is usually necessary for observing viruses? A Dark field microscope B Phase contrast microscope C Electron microscope D Compoundmicroscope

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A three dimensional image is obtained by a)Electron microscope b) Scanning electron microscope c) Magnetic imaging d)None of these

Description : A three dimensional image is obtained by a)Electron microscope b) Scanning electron microscope c) Magnetic imaging d)None of these

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Who invented Electron Microscope and what was its use?

Description : Who invented Electron Microscope and what was its use?

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

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Last Answer : ANSWER: W -- ELECTRON MICROSCOPE

Electron microscope was discovered by (1) Garhn and Shortt (2) Knoll and Ruska (3) Farmer and Moore (4) Janseen and Janseen

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Last Answer :  Knoll and Ruska

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

Electron microscope was invented by (1) Knoll and Ruska (2) Robert Koch (3) Leeuwenhock (4) C.P. Swanson

Description : Electron microscope was invented by (1) Knoll and Ruska (2) Robert Koch (3) Leeuwenhock (4) C.P. Swanson

Last Answer : Knoll and Ruska

What is viewed through an electron microscope? (1) Electrons and other elementary particles (2) Structure of bacteria and viruses (3) Inside of human stomach (4) Inside of the human eye

Description : What is viewed through an electron microscope? (1) Electrons and other elementary particles (2) Structure of bacteria and viruses (3) Inside of human stomach (4) Inside of the human eye

Last Answer : Structure of bacteria and viruses

What are the differences between a microscope and a telescope?

Description : What are the differences between a microscope and a telescope?

Last Answer : They are both similar in that it’s all about a game of bending light to meet your need using lenses in various configurations. Hope this helps.

How does the foldscope microscope work?

Description : How does the foldscope microscope work?

Last Answer : answer:It's uses a ball lens, like the earliest microscopes made by van Leeuwenhoek. Here's how he made the lenses: By placing the middle of a small rod of soda lime glass ... glass spheres then became the lenses of his microscopes, with the smallest spheres providing the highest magnifications.

Have you heard about the Quantum Microscope for living Biology?

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Last Answer : answer:I hadn't heard about it, but it sounds interesting. I'm trying to work through a more descriptive article about it now. But I'm not up on my electron states so I'm having to intuit a ... and then you need to decide whether you want to change things and by how much. Pretty cool, though.

How does one go about viewing a snowflake under a microscope?

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Last Answer : Best I could find: http://www.its.caltech.edu/~atomic/snowcrystals/watching/watching.htm My googlemancy is a little weak. Are you of school age? I remember receiving a handout about viewing snoflakes, so if you are maybe you can ask about it once classes start.

Are Objective lenses standardized? [microscope]?

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Last Answer : I have bought a number of used objectives on line, and have never had the problem of one not fitting, but that may have been luck.

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

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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 role does the microscope play in the home?

Description : What role does the microscope play in the home?

Last Answer : Looking at awesome bugs.

What would you like to look at under a microscope?

Description : What would you like to look at under a microscope?

Last Answer : I like to look at prepared slides of organs, and at living microorganisms. My kids love it when we examine pond water. It’s also nice to look at structures such as fly’s eyes, etc which have been properly prepared for viewing. My microscope is out on the table a lot.

Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to? -Biology

Description : Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to? -Biology

Last Answer : The green dot-like structures in some cells observed by a student when a leaf peel is viewed under a microscope are chloroplasts. The green colour is due to the presence of green pigment, chlorophyll.

In a compound microscope, how is the intermediate image? -Do You Know?

Description : In a compound microscope, how is the intermediate image? -Do You Know?

Last Answer : answer:

How can one can distinguish a telescope from a microscope? -Do You Know?

Description : How can one can distinguish a telescope from a microscope? -Do You Know?

Last Answer : answer:

What causes rough endoplasmic reticulum to look “rough” under a microscope?

Description : What causes rough endoplasmic reticulum to look “rough” under a microscope?

Last Answer : ribosomes attached on the sides of the RER makes it look rough under the microscope .

Which type of microscope is used to study extremely small things, such as cell structures by passing a beam of electrons through an object?

Description : Which type of microscope is used to study extremely small things, such as cell structures by passing a beam of electrons through an object?

Last Answer : optical microscope

Who invented the first microscope ?

Description : Who invented the first microscope ?

Last Answer : The first microscope was invented by Von Leuven Hook.

What is the English of compound microscope ?

Description : What is the English of compound microscope ?

Last Answer : English compound mircroscope of compound microscope .

What is the English language of simple microscope ?

Description : What is the English language of simple microscope ?

Last Answer : English simple microscope.