Microscopes

A microscope is a laboratory instrument scientists use to examine objects that cannot be seen by naked eyes.
👁 343
statistics
calculate
Microscopes
Questions #: 11
Time:
Pass Score: 80.0%
Style
Mode

Microscopes were known before the seventeenth century

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

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

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

Correct Answer

Explanation

Light microscope (right) and stereomicroscope (left)

light-vs-stereomicroscope.jpg

POINTS (1)

Correct Answer

Explanation

Electron microscope was invented in the early 1890s

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

Correct Answer

Explanation

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

POINTS (1)

Correct Answer

Explanation

Views:
Trials:
Avg score:
0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
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

Document Actions