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Out of all possible paths that light might take, to get from one point to another, it takes the path that requires the shortest time.

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Q: Drive law of reflection by using fermat's principle?
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Principle of light of a periscope use to work?

The principle behind a periscope is the reflection of light at two or more angles using mirrors to allow an observer to see objects that are not in their direct line of sight. The light enters one end of the periscope, reflects off the mirrors inside, and exits the other end, allowing the observer to see around obstacles or over barriers. This principle is based on the law of reflection, where the angle of incidence is equal to the angle of reflection.


What are the examples of reflection in real life?

When look in to anything refective, you are using reflection.


How do you represent reflection of light?

Reflection of light can be represented using the law of reflection, which states that the angle of incidence is equal to the angle of reflection. This can be shown diagrammatically using incident rays hitting a mirror surface and being reflected at an equal angle. Mathematically, reflection of light can also be represented using the reflection coefficient or Fresnel equations to calculate the intensity of the reflected light based on the properties of the surface.


What is a sentence using the word principle?

He made the decision based on forethought and principle.


How will you demonstrate total internal reflection?

you can demonstrate total internal reflection using a light source and glass gratings.


How do you write a sentence using the word principle?

Ummm..... " I had to go to the Principle's office today ".


What I a sentence using both principal and principle?

The principal of the school emphasized the importance of honesty as a guiding principle for all students.


What is the principle of a periscope?

A periscope works on the principle of reflection of light. It uses mirrors to redirect light so that objects outside the direct line of sight can be seen. By using multiple mirrors at specific angles, a periscope allows users to view objects from a concealed or obscured position.


What does it mean to write a reflection on a book using specific examples?

To write a reflection on a book using specific examples means to analyze and discuss particular instances or quotes from the book that impacted you or stood out. By incorporating these examples into your reflection, you provide concrete evidence to support your thoughts and opinions about the book and deepen your analysis of its themes, characters, and overall impact.


How did workers get the layers of stone in place?

By using the principle of the lever.


How can you improve your agility using the FITT principle?

That is Fitness Log


How do you lift heavy objects efficiently?

By using the principle of levers.