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Microscopes

A microscope is a laboratory instrument scientists use to examine objects that cannot be seen by naked eyes.

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$Microscopes$

Views #: 366

Questions #: 11

Pass Score: 80.0%

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Microscopes were known before the seventeenth century

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Dutchman Antonie van Leeuwenhoek was one of the first to construct a microscope

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A microscope is used to see small objects that cannot be seen by naked eyes and far objects in the sky as well

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False

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Light microscope is an instrument that facilitated examination of specimens by thinly slicing them, allowing light to pass through

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Modern microscopes can view magnify objects only up to 800x times (800X)

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Examining venations of fly wings require a low-powered microscopes that can magnify up to 80x times its actual size

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Light microscope (right) and stereomicroscope (left)

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Electron microscope was invented in the early 1890s

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False

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Illumination of specimens with blue light under the light microscope lent considerably greater resolution than with any colors of longer wavelengths

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The scanning electron microscope (SEM) was invented in 1950s

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Contact X-ray microscopy and the scanning tunneling microscope, enables scientists to photograph molecules

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sin cos tan Deg Rad

sin^-1 cos^-1 tan^-1 π e

x^y x³ x² e^x 10^x

^y√x ³√x √x ln log

( ) 1/x % n!

7 8 9 + MS

4 5 6 – M+

1 2 3 × M-

0 . EXP ÷ MR

± RND C = MC

Year 10

Microscopes were known before the seventeenth century

Correct Answer

Explanation

Dutchman Antonie van Leeuwenhoek was one of the first to construct a microscope

Correct Answer

Explanation

A microscope is used to see small objects that cannot be seen by naked eyes and far objects in the sky as well

Correct Answer

Explanation

Light microscope is an instrument that facilitated examination of specimens by thinly slicing them, allowing light to pass through

Correct Answer

Explanation

Modern microscopes can view magnify objects only up to 800x times (800X)

Correct Answer

Explanation

Examining venations of fly wings require a low-powered microscopes that can magnify up to 80x times its actual size

Correct Answer

Explanation

Light microscope (right) and stereomicroscope (left)

Correct Answer

Explanation

Electron microscope was invented in the early 1890s

Correct Answer

Explanation

Illumination of specimens with blue light under the light microscope lent considerably greater resolution than with any colors of longer wavelengths

Correct Answer

Explanation

The scanning electron microscope (SEM) was invented in 1950s

Correct Answer

Explanation

Contact X-ray microscopy and the scanning tunneling microscope, enables scientists to photograph molecules

Correct Answer

Explanation

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