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10th ICSE
IMPORTANT
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A lens forms a magnified, erect and virtual image of an object.

Name the type of lens.

Important Questions on Refraction Through a Lens

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10th ICSE
IMPORTANT

A lens forms a magnified, erect and virtual image of an object.

Where is the object located in relation to the lens?

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10th ICSE
IMPORTANT

A lens forms a virtual, magnified and erect image of an object. Draw a ray diagram to show the formation of image.

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10th ICSE
IMPORTANT

A lens forms a magnified, erect and virtual image of an object. Name the device which uses its principle or a device used for magnification.

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10th ICSE
IMPORTANT
An object is placed on the axis of a lens. An image is formed by refraction in the lens. For all positions of the object on the axis of the lens, the positions of the image are always between the lens and the object. Name the Lens.
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10th ICSE
IMPORTANT
An object is placed on the Principle axis of a lens. An image is formed. For all positions of the object on the axis of the lens, the positions of the image are always between the lens and the object. Draw a ray diagram to show it.
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10th ICSE
IMPORTANT

An object is placed on the Principle axis of a lens. An image is formed. For all positions of the object on the axis of the lens, the positions of the image are always between the lens and the object. State three characteristics of the image formed.

MEDIUM
10th ICSE
IMPORTANT
Classify as real or virtual, the image of a candle flame formed on a screen by a convex lens. Draw a ray diagram to illustrate how the image is formed. 
MEDIUM
10th ICSE
IMPORTANT
Show by a ray diagram that a diverging lens cannot form a real image of an object placed anywhere on its principal axis.