2 - Dispersion and Deviation Questions Answers

Can You Please Explain the Cartesian method for mirror and Lens?

Asked By: BONEY HAVELIWALA 5 year ago
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Answer Strategies and trick by Manish sir (it will help you to solve it by yourself)

Cartesian method is the method of sign convention

Sign Convention for Spherical Mirrors and Thin Lenses 
 
 
                                   Spherical Mirrors                   Lenses 
Focal Length            - for concave mirrors            + for a converging lens  
                              + for convex mirrors               - for a diverging lens 
Object Distance           - real object                     - real object 
                                + virtual object                 + virtual object
 
 
Image Distance           - real image                          + real image 
                                 + virtual image                   - virtual image 
Magnification            + for erect image                 + for erect image  
                              - for inverted image            - for inverted image 

which physical quantity has its unit as LUX??

Asked By: SARIKA SHARMA 6 year ago
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Answer Strategies and trick by Manish sir (it will help you to solve it by yourself)

its illuminance

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