PHYSICS LENS QUESTION The way in which a converging lens forms the image of an extended object depends upon where the object is placed with respect to the lens. Consider the following three possibilities: • The object is placed further from the lens than its focal point; • The object is placed at the focal point of the lens; • The object is placed closer to the lens than its focal point. For each of these three scenarios, explain, with the aid of a ray diagram, how the image is formed and what properties it has.
Applications Of Reflection Of Light
When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.
Sign Convention for Mirrors
A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.
PHYSICS LENS QUESTION
The way in which a converging lens forms the image of an extended
object depends upon where the object is placed with respect to the lens.
Consider the following three possibilities:
• The object is placed further from the lens than its focal point;
• The object is placed at the focal point of the lens;
• The object is placed closer to the lens than its focal point.
For each of these three scenarios, explain, with the aid of a ray diagram,
how the image is formed and what properties it has.
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