Showing posts with label Concave. Show all posts
Showing posts with label Concave. Show all posts

Saturday, 19 February 2011

Physics - Light and Lenses: Images and Concave Lenses

This is the 4th lesson in the series, "Light and Lenses." It describes the nature, size and position of an image formed by a concave lens. The lesson also describes how lenses are used to help people with different eye conditions. Source: Mindset Network

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Thursday, 17 February 2011

Concave mirror formula (By - al tahir public high school khushab) part 1

This video tutorial is about how an image of an object placed in front of a concave mirror is formed? The ray from the object fall on the mirror after the reflection the ray passes from the focus and image is formed at 2F. The image is inverted. For the derivation of the equation watch the tutorial video of Algebra.

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Monday, 10 January 2011

Concave lens - physics experiment

www.fizik.si Lens that possesses at least one surface that curves inwards. It is a diverging lens, spreading out those light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia).

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Friday, 10 December 2010

Concave mirror formula (By - al tahir public high school khushab) part 3

This video tutorial is about how an image of an object placed in front of a concave mirror is formed? The ray from the object fall on the mirror after the reflection the ray passes from the focus and image is formed at 2F. The image is inverted. For the derivation of the equation watch the tutorial video of Algebra.

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