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प्रश्न
What is a simple microscope or a magnifying glass? Draw a ray diagram to show its function.
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उत्तर
A convex lens works as a simple microscope or a magnifying glass when an object is kept between its optical centre and the focus. The image of the object so obtained is virtual, upright, and magnified.
संबंधित प्रश्न
The speed of light in air is 3 × 108 m s-1. Calculate the speed of light in glass. The refractive index of glass is 1.5
The following diagram shows an object AB and a converging lens L with foci F1 and F2. Draw two rays from the object AB and complete the diagram to locate the position of the image CD. Also mark on the diagram the position of eye from where the image can be viewed.
The following diagram shows an object AB and a converging lens L with foci F1 and F2 State three characteristics of the image in relation to the object.
A lens forms an erect, magnified, and virtual image of an object. Where is the object placed in relation to the lens?
Draw a neat labelled ray diagram to show the formation of an image by a magnifying glass. State three characteristics of the image.
Ray diagram for the formation of image by a magnifying glass.
What information about the nature of image is real or virtual, do you get from the sign of magnification + or -?
What information we seek by the linear magnification of the image when it is positive or negative?
Name the lens for which magnification can be 1. For what position of the object will the magnification be 1?
State two uses of magnifying glass.
