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Optical Physics – Wave Optics

IIT JEE Main | Advanced | BITSAT | SAT | NEET | AP Physics | MSAT | MCAT | Course for high school, college
3.5
3.5/5
(1 reviews)
5 students
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8.5

CourseMarks Score®

9.9

Freshness

7.2

Feedback

7.7

Content

Platform: Udemy
Video: 2h 50m
Language: English
Next start: On Demand

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CourseMarks Score®

8.5 / 10

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9.9 / 10
This course was last updated on 3/2022.

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7.2 / 10
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Content Score

7.7 / 10
Video Score: 8.0 / 10
The course includes 2h 50m video content. Courses with more videos usually have a higher average rating. We have found that the sweet spot is 16 hours of video, which is long enough to teach a topic comprehensively, but not overwhelming. Courses over 16 hours of video gets the maximum score.
Detail Score: 9.6 / 10

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Table of contents

Description

Wave Optics
•Wave optics: Wave front and Huygen’s principle, reflection and refraction of plane wave at a plane surface using wave fronts
•Proof of laws of reflection and refraction using Huygen’s principle
•Interference Young’s double slit experiment and expression for fringe width, coherent sources and sustained interference of light
•Diffraction due to a single slit, width of central maximum
•Resolving power of microscopes and astronomical telescopes
•Polarisation, plane polarised light Brewster’s law, uses of plane polarised light and Polaroids
SUMMARY
1. Huygens’ principle tells us that each point on a wavefront is a source of secondary waves, which add up to give the wavefront at a later time.
2. Huygens’ construction tells us that the new wavefront is the forward envelope of the secondary waves. When the speed of light is independent of direction, the secondary waves are spherical. The rays are then perpendicular to both the wavefronts and the time of travel is the same measured along any ray. This principle leads to the well known laws of reflection and refraction.
3. The principle of superposition of waves applies whenever two or more sources of light illuminate the same point. When we consider the intensity of light due to these sources at the given point, there is an interference term in addition to the sum of the individual intensities. But this term is important only if it has a non-zero average, which occurs only if the sources have the same frequency and a stable phase difference.
4. Young’s double slit of separation d gives equally spaced fringes of angular separation λ/d. The source, mid-point of the slits, and central bright fringe lie in a straight line. An extended source will destroy the fringes if it subtends angle more than λ/d at the slits.
5. A single slit of width a gives a diffraction pattern with a central maximum. Two stars closer than this give strongly overlapping images. Similarly, a microscope objective subtending angle 2β at the focus, in a medium of refractive index n, will just separate two objects spaced at a distance λ/(2n sin β), which is the resolution limit of a microscope. Diffraction determines the limitations of the concept of light rays. A beam of width a travels a distance a 2/λ, called the Fresnel distance, before it starts to spread out due to diffraction.
6. Natural light, e.g., from the sun is unpolarised. This means the electric vector takes all possible directions in the transverse plane, rapidly and randomly, during a measurement. A polaroid transmits only one component (parallel to a special axis). The resulting light is called linearly polarised or plane polarised. When this kind of light is viewed through a second polaroid whose axis turns through 2π, two maxima and minima of intensity are seen. Polarised light can also be produced by reflection at a special angle (called the Brewster angle) and by scattering through π/2 in the earth’s atmosphere.

You will learn

✓ Introduction
✓ Huygens principle
✓ Reflection and refraction of plane using the Huygens principle
✓ Coherent and Incoherent addition of waves
✓ Interference of light waves and Young’s experiment
✓ Difraction
✓ Polarisation

Requirements

• Should know calculus, trigonometry

This course is for

• Complete Physics for Engineering and Medical Entrance Exam Preparation. ( IIT JEE Main | Advanced | BITSAT | SAT | NEET etc.)
• AP Physics | MSAT | MCAT | Course for high school, college
• Courses are suitable for students from over 160 countries from Europe, America, Middle East, Asia, Africa and APAC. Notably England, Germany, France, Sweden, Ireland, Scotland, USA, Canada, UAE, Saudi, Qatar, Kuwait, Malaysia, Indonesia, Myanmar, Newzealand, Australia, South Africa, South Korea, Nigeria, etc

How much does the Optical Physics - Wave Optics course cost? Is it worth it?

The course costs $14.99. And currently there is a 25% discount on the original price of the course, which was $24.99. So you save $10 if you enroll the course now.

Does the Optical Physics - Wave Optics course have a money back guarantee or refund policy?

YES, Optical Physics – Wave Optics has a 30-day money back guarantee. The 30-day refund policy is designed to allow students to study without risk.

Are there any SCHOLARSHIPS for this course?

Currently we could not find a scholarship for the Optical Physics - Wave Optics course, but there is a $10 discount from the original price ($24.99). So the current price is just $14.99.

Who is the instructor? Is studi live a SCAM or a TRUSTED instructor?

studi live has created 115 courses that got 13 reviews which are generally positive. studi live has taught 111 students and received a 4.4 average review out of 13 reviews. Depending on the information available, studi live is a TRUSTED instructor.
Online Learning
Studi Live is an Indian educational venture based in Mumbai. The founders of this portal are into education and technology domains since more than 20 years. Studi Live currently offers online and live lectures for IITJEE and NEET preparation.
The portal will eventually add courses for school students from 5th to 12th, Olympiads, Professional Courses, Commerce and Software Programming for all levels. The Studi Live portal, as the name suggests, offers online live lectures in interactive mode. The site uses highly safe and secure WEBEX platform for online lectures.
Unlike most of the other edtech portals, Studi Live is a collaborative and activity-based platform which strives to conform to the New Education Policy by the Government of India.

8.5

CourseMarks Score®

9.9

Freshness

7.2

Feedback

7.7

Content

Platform: Udemy
Video: 2h 50m
Language: English
Next start: On Demand

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