0004 Spherical Mirrors ll Types Convex & Concave // Pole focus centre of curvature focal length

Описание: Spherical Mirrors ll Types Convex & Concave // Pole focus centre of curvature focal length Numerical
Spherical Mirrors
Spherical mirrors are mirrors with a reflecting surface that is part of a sphere.

Types of Spherical Mirrors
1. *Concave Mirror*: Reflecting surface is curved inward.
*Converging Mirror*: Converges light rays.
2. *Convex Mirror*: Reflecting surface is curved outward.
*Diverging Mirror*: Diverges light rays.

Key Terms
1. *Pole (P)*: Center of the mirror's reflecting surface.
2. *Center of Curvature (C)*: Center of the sphere of which mirror is a part.
3. *Focus (F)*: Point where parallel rays converge (concave) or appear to diverge (convex).
4. *Focal Length (f)*: Distance from pole to focus.
*Concave Mirror*: Positive focal length.
*Convex Mirror*: Negative focal length.
5. *Radius of Curvature (R)*: Distance from pole to center of curvature.
R = 2f for spherical mirrors.

Image Formation
*Concave Mirror*: Can form real/inverted, virtual/erect images depending on object position.
*Convex Mirror*: Forms virtual, erect, diminished images.

Mirror Formula
\[\frac{1}{v} + \frac{1}{u} = \frac{1}{f}\]
*u*: Object distance.
*v*: Image distance.
*f*: Focal length.

Magnification (m)
\[m = \frac{h'}{h} = -\frac{v}{u}\]
*h'*: Image height.
*h*: Object height.

Numerical Examples
1. *Concave Mirror*: Object at 30 cm, f = 10 cm. Find image position?
Using \(\frac{1}{v} + \frac{1}{-30} = \frac{1}{10}\), solve for \(v\).
2. *Convex Mirror*: f = -15 cm, object at 20 cm. Find image nature?
Use mirror formula to find virtual, diminished image.
[16/09, 22:46] Meta AI: Optics Hashtags for Spherical Mirrors Video
Here are some relevant hashtags for a video on spherical mirrors (concave & convex), optics, and related concepts:

Primary Hashtags
1. #Optics
2. #SphericalMirrors
3. #ConcaveMirror
4. #ConvexMirror
5. #Physics
6. #LightReflection

Concepts & Applications
1. #MirrorFormula
2. #FocalLength
3. #CenterOfCurvature
4. #ImageFormation
5. #ReflectionOfLight
6. #RayOptics

Education & Learning
1. #PhysicsClass12
2. #OpticsTutorial
3. #ScienceExplained
4. #CBSEPhysics
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6. #JEEPhysics

Mirror Types & Uses
1. #ConcaveMirrorUses
2. #ConvexMirrorApplications
3. #RearViewMirror
4. #ShavingMirror
5. #TelescopeOptics

Popular & Trending
1. #ScienceVideos
2. #PhysicsConcepts
3. #StudyWithMe
4. #LearnPhysics
5. #OpticalInstruments
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Suggestions
optics, and related concepts:

Primary Hashtags
1. #Optics
2. #SphericalMirrors
3. #ConcaveMirror
4. #ConvexMirror
5. #Physics
6. #LightReflection

Concepts & Applications
1. #MirrorFormula
2. #FocalLength
3. #CenterOfCurvature
4. #ImageFormation
5. #ReflectionOfLight
6. #RayOptics

Education & Learning
1. #PhysicsClass12
2. #OpticsTutorial
3. #ScienceExplained
4. #CBSEPhysics
5. #NEETPhysics
6. #JEEPhysics

Mirror Types & Uses
1. #ConcaveMirrorUses
2. #ConvexMirrorApplications
3. #RearViewMirror
4. #ShavingMirror
5. #TelescopeOptics

Popular & Trending
1. #ScienceVideos
2. #PhysicsConcepts
3. #StudyWithMe
4. #LearnPhysics
5. #OpticalInstruments

Suggestions
Mix broad (#Optics) and specific (#ConcaveMirror) hashtags.


Example: "#Optics #SphericalMirrors #ConcaveMirror #ConvexMirror #Physics #MirrorFormula #LightReflection #NEETPhysics
Uses
*Concave Mirrors*: Shaving mirrors, telescopes.
*Convex Mirrors*: Vehicle rear-view mirrors for wider field.