STAS MCA online library

STAS  MCA online library

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Hi friends click here to download MCA 2nd semester text book pdf.
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SlNo:	SEMESTER	SUBJECT
1	SEM-2	OPTIMIZATION TECHNIQUES AND NUMERICAL METHODS
2		OPERATING SYSTEMS
3		DATABASE MANAGEMENT SYSTEMS
4		DATA COMMUNICATION AND NETWORKS
5		WEB TECHNOLOGIES

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3D HOLOGRAM

HOLOGRAM

How To Make Hologram In 2 Minutes

• What is a hologram?

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Holography is the science and practice of making holograms. Typically, a hologram is a photographic recording of a light field, rather than of an image formed by a lens, and it is used to display a fully three-dimensional image of the holographed subject, which is seen without the aid of special glasses or other intermediate optics. The hologram itself is not an image and it is usually unintelligible when viewed under diffuse ambient light.

• How to make HOLOGRAM in 2 minutes?

           

Step 1: Materials Required

• Plastic file
• Pencil, Scale
• Scissors
• Cellotape 
• Smartphone

     

Step 2:Tracing the Trapezium

                   

Dimensions of Trapezium (Refer to Image too):

1cm- One parallel side

6cm- Other parallel side

4.5cm- Height between the parallel side

Step 3:Cutting the Trapezium From the Plastic

Tape these trapeziums together and, what you get would be exactly what we need. But, if on taping what you get is nothing like a prism but just a flat shape, it means that you did not cut the shape(s) correctly in the last step and made some mistakes which led to formation of trapezium with wrong dimensions, recheck your measurements.

Step 4:Watch the video

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