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Telescope

Fill in the b...

Question

Fill in the blank spaces by choosing the correct words from the list given below:
List : principal focus, optical centre, pole, optical axis

When the convex lens act as a lens for slide projector, the object is between the principal focus and ..........

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Solution

Optic axis
When the object is placed between the principal focus and optic axis, it forms a virtual, erect and magnified image.

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Similar questions

Q. Fill in the blank spaces by choosing the correct words from the list given below:
List : principal focus, double the principal focus, optical centre, erect, diverging lens.

A concave lens always forms a virtual, ______ and diminished image of an object.

Q. Fill in the blanks with suitable words
The distance between principal focus and the optic centre of a lens is called its ____________.

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State whether the given statement is True or False.

When a real, erect and magnified image is formed by a convex lens the object is in between optical centre and principal focus.

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