Class 8 Exam > Class 8 Videos > Science Class 8 > Concept of Multiple Images:Kaleidoscope
Concept of Multiple Images:Kaleidoscope Video Lecture | Science Class 8
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FAQs on Concept of Multiple Images:Kaleidoscope Video Lecture - Science Class 8
| 1. What is a kaleidoscope? |  |
Ans. A kaleidoscope is a cylindrical optical instrument that contains mirrors and colored pieces of glass or other objects. When you look through one end and rotate the tube, the objects inside create beautiful symmetrical patterns that constantly change.
| 2. How does a kaleidoscope work? | |
Ans. A kaleidoscope works by reflecting multiple mirrors placed at different angles inside the tube. When light enters the tube and hits the mirrors, it bounces off and creates multiple reflections. The colored glass or objects inside the tube create interesting patterns by breaking up the light into different colors.
| 3. What is the purpose of a kaleidoscope? | |
Ans. The purpose of a kaleidoscope is primarily for entertainment and visual enjoyment. It provides a mesmerizing and ever-changing display of intricate patterns and colors. Kaleidoscopes are often used as toys, artistic objects, or even therapeutic tools for relaxation and mindfulness.
| 4. Can I create my own kaleidoscope? | |
Ans. Yes, you can create your own kaleidoscope using simple materials. There are various DIY tutorials available online that guide you through the process of making a kaleidoscope with materials like cardboard tubes, mirrors, and colored beads or paper. It can be a fun and creative project to try!
| 5. Are there different types of kaleidoscopes? | |
Ans. Yes, there are different types of kaleidoscopes. Traditional kaleidoscopes use colored glass pieces or beads to create their patterns. However, there are also digital kaleidoscopes that use computer algorithms to generate intricate patterns on screens. Additionally, there are kaleidoscope-like apps and software available for smartphones and computers.
Text Transcript from Video
what an object's in front of the mirror
you see a reflected image in this case
here I have an amethyst and you can see
the reflection because the mirror is
basically fine
now what I'm going to do with this
combination of mirrors join by piece of
tape form a hinge is change the angle
and make a kaleidoscope watch what
happens when I start the folding mirrors
toward you we now see that there are two
images one produced by each of the
mirrors so you see three things one
actually being the stone in front and
the two reflected images the angle now
is about 120 degrees if we bring the
angle close to 90 and stop at 90 we will
see that there are four stones three our
images and one is the stone itself I
continue to decrease the angle and we
see five images and at 60 degrees we'll
see six six images as I keep decreasing
the angle more more images are seen
you see a reflected image in this case
here I have an amethyst and you can see
the reflection because the mirror is
basically fine
now what I'm going to do with this
combination of mirrors join by piece of
tape form a hinge is change the angle
and make a kaleidoscope watch what
happens when I start the folding mirrors
toward you we now see that there are two
images one produced by each of the
mirrors so you see three things one
actually being the stone in front and
the two reflected images the angle now
is about 120 degrees if we bring the
angle close to 90 and stop at 90 we will
see that there are four stones three our
images and one is the stone itself I
continue to decrease the angle and we
see five images and at 60 degrees we'll
see six six images as I keep decreasing
the angle more more images are seen
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Dec 23, 2024 Last updated |
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