A convex/converging lens has a focal length f. An object is placed in the focal point of the lens. Where does the image form? (Multiple Choice) a. behind the lens b. at infinity c. in front of the lens d. in the focal point behind the lens
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.
1) A convex/converging lens has a focal length f. An object is placed in the focal point of the lens. Where does the image form? (Multiple Choice)
a. behind the lens
b. at infinity
c. in front of the lens
d. in the focal point behind the lens
2) A tall object is placed in front of a converging lens, at a distance smaller than the focal distance. What type of image does the lens form? (Multiple Choice)
a. virtual, upright and smaller than the object
b. real, inverted and smaller than the object
c. virtual, upright and larger than the object
d. virtual, inverted and larger than the object
e. real, upright, and larger than the object
3) A lamp placed in front of a lens forms an image that is real, smaller than the lamp, and inverted. Where is the lamp placed? (Multiple Choice)
a. between the lamp and twice the focal distance
b. further than twice the focal distance
c. between the lens and the focal point
d. it does not matter, the lens is diverging
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