Question

draw an ray diagram using convex lens showing image and object are at same position mention nature of image​

Answer 1

Explanation:

Characteristics of image formed by convex lens is summarized in the table below:

Object position Image position Image size Nature of image Application

Infinity F

2

Point-sized

Real, inverted Burning glass, To concentrate solar energy on small photovoltaic cells

Beyond 2F

1

Between F

2

and 2F

2

Diminished

Real,, inverted Camera lens

At 2F

1

At 2F

2

Same size as object Real, inverted Telescope

Between F

1

and 2F

1

Beyond 2F

2

Magnified Real, inverted Slide projector

At F

1

infinity Highly magnified Real, inverted Spectrometer

Between F

1

and O On same side as object Magnified Virtual, erect Magnifying glass

Concave lens form virtual and erect image on the same side of the lens between F

1

and O. It is always diminished. They are used in Galilean telescope.

Answer 2

Refer to the attachment...

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