1. OPTICAL INSTRUMENTS PRESENTED BY P.R. PARTHIBAN J. KRISHNA MOORTHY
R. RAJA SEKHAR
D.SATHISH KUMAR
P. RAJESH
GUIDED BY
B.RAVINDRANATH

2. 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.

3. KINDS OF OPTICAL INSTRUMENTS
SIMPLE MICROSCOPE
COMPOUND MICROSCOPE
ASTRONOMICAL TELESCOPE
TERRESTRIAL TELESCOPE
BINOCULAR
PERISCOPE etc.

4. SIMPLE MICROSCOPE
A simple microscope consists of a convex lens of short focal length held by means of a handle and a rim.

5. 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.

6. Astronomical Telescope
Telescope is used
to see the heavenly bodies such as satellites , stars , planets , Astronomical, etc.