Holography

The information in the hologram exists in ________

• 3-D image form

• Black and white image form

• Colored Image form

• Coded form

Which of the following is used for the formation of holograms?

• X ray

• Visible light

• Infra red

• Lasers

The technique by which image is obtained from a hologram is called as ____________

• Formation

• Reconstruction

• Construction

• Projection

Holography records _______ of light coming from an object.

• Intensity

• Phase

• Both intensity and phase

• None of the above

Holography was discovered by

• Dennis Gabor

• Einstein

• Newton

• curie brothers

Holography produces

• real images

• virtual images

• Both real images and virtual images

• none of the above

A recorded holographic plate contains information in the _______ pattern.

• interference

• diffraction

• both a and b

• none of the above

In holography interference pattern is produced from

both a and b none of the above

• object beam

• reference beam

• Both object beam and reference beam

If a hologram breaks into pieces, then each piece can produce

• Real image

• Virtual image

• Both virtual and real image

• Zero image

Hologram acts as ________during reconstruction process.

• Analyzer

• Polarizer

• Mirror

• Diffraction grating