Transcript optical instruments

OPTICAL INSTRUMENTS
PRESENTED BY
P.R. PARTHIBAN
J. KRISHNA MOORTHY
R. RAJA SEKHAR
D.SATHISH KUMAR
P. RAJESH
GUIDED BY
B.RAVINDRANATH
OPTICAL INSTRUMENTS
Any arrangement which makes use of a
combination of lenses,mirrors or prisms,is
called an optical instrument. All the optical
instruments are based on the laws of
reflection and refraction.
KINDS OF OPTICAL INSTRUMENTS
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SIMPLE MICROSCOPE
COMPOUND MICROSCOPE
ASTRONOMICAL TELESCOPE
TERRESTRIAL TELESCOPE
BINOCULAR
PERISCOPE etc.
SIMPLE MICROSCOPE
A simple microscope consists of a
convex lens of short focal length
held by means of a handle and a
rim.
COMPOUND MICROSCOPE
Compound microscope
an instrument consisting of a
combination of lenses such that the
image formed by the lens or set of
lenses nearest the object (called the
objective) is magnified by another
lens called the ocular or eyepiece.
Astronomical Telescope
Telescope is used
to see the heavenly bodies such as
satellites , stars , planets ,
Astronomical, etc.