Category Archive: OPTICS

Nov 15

Numerical Problems From Optics

When an object of height 4cm is placed at 40cm from a mirror the mirror forms the image on the object itself. If the height of the image is equal to the height of the object. Find out the focal

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Permanent link to this article: http://www.plustwophysics.com/numerical-from-optics/

Sep 10

Introduction to Light – NASA

Light is a form of radiant energy or energy that travels in waves. Since Greek times, scientists have  debated the nature of light. Physicists now recognize that light sometimes behaves like waves

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Permanent link to this article: http://www.plustwophysics.com/introduction-to-light-nasa/

Jun 28

Why the ray of light passing through optical center of a lens passes undeviated while when it passes through other points on the interface of the lens, it gets refracted?

Deviation is the change in direction of the ray while passing through the lens. The middle portion of the lens is comparatively flat and there is a point on the principal axis and inside the sphere

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Permanent link to this article: http://www.plustwophysics.com/why-the-ray-of-light-passing-through-optical-center-of-a-lens-passes-undeviated-while-when-it-passes-through-other-points-on-the-interface-of-the-lens-it-gets-refracted/

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