Microscope Parts And Its Functions | Microscope View | Microscope In Hindi | Grow Your Talent
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Microscope Parts And Its Functions | Microscope View | Microscope In Hindi | Grow Your Talent
414 599 просмотров · 8 лет назад
Grow Your Talent
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414 599 просмотров · 8 лет назад
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todays topic is Microscope Parts And Its Functions
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About this video
Learning Objectives:
To be able to: - Label and give the function of each part of the microscope. - Use the microscope correctly to view slides and work out magnification.
The Microscope
What do all the organisms below have in common?
Red Blood Cells
E. Coli Bacteria
Dust Particles
Ebola Virus
Daphnia
Water Bear
The are all microscopic organisms. They cannot be seen with the naked eye, we need a microscope to see them.
Microscopy • Microscopy is the use of or investigation with a microscope. • The microscope uses glass lenses to magnify objects we are not able to see clearly with the naked eye.
Since the 1st Century the Roman's, were investigating the use of glass and how to magnify objects. Nero (reigned 54–68 AD) is also said to have watched the gladiatorial games using an emerald as a corrective lens!
In the 13th Salvino D'Armate from Italy, made the first eye glass.
The earliest simple forms of magnifying glasses were used for inspecting tiny insects such as fleas, hence these early magnifiers called "flea glasses".
• In the 1590's, two Dutch spectacle makers, Zacharias Jansen and his father Hans started experimenting with these lenses. They put several lenses in a tube and made a very important discovery. The object near the end of the tube appeared to be greatly enlarged, much larger than any simple magnifying glass could achieve by itself. This was the first compound microscope.
• It was Anton van Leeuwenhoek (1632-1723), a Dutch draper and scientist, and one of the pioneers of microscopy who in the late 17th century became the first man to make and use a real microscope. He was known as the “Father of Microbiology”.
• Van Leeuwenhoek achieved greater success than his contemporaries by developing ways to make superior lenses, grinding and polishing five hundred and fifty lenses to make his new lens tube that had a magnifying power over 200 times better than any one else at the time
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