Special effects

What is used to emphasis a strategic moment of the event?

• Special effects

• Backdrops

• Props

What special effect is this? small letters with s

Long pieces of paper which lounched by carbon dioxide is.............singular, small letters

What special effect is done by dropping solid carbon into boiling water?

• Haze

• Fog

• Smoke

• All

What special effect stands for Light Amplification by the Stimulated Emission of Radiation.

What purpose is first used laser for?

• Military

• Entertainment

• Medical

Types of lasers

• graphics

• amination projection

• aerials

• all of them

Laser light with direct exposure to the eyes can cause temporary flash-blindness

• True

• False

Vertical clearence rule of laser installation is ..........m

• 3 m

• 2 m

Horizontal clearance of laser installation is ........m

• 2.5 m

• 3.5 m