Advertisements
Advertisements
प्रश्न
Will the image formed by a magnifying glass be real or virtual?
Advertisements
उत्तर
The image formed by a magnifying glass will be virtual.
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
Define magnifying power of a simple microscope. How can it be increased?
The magnification by a lens is -3. Name the lens and state how are u and v related?
The magnification by a lens is +0.5. Name the lens and state how are u and v related?
How is the magnification (m) produced by a lens related to the object distance (u) and the image distance (v)?
Show with the help of a ray diagram, the path of the ray when incident normally on the first surface of the glass block, through the block and the liquid.
Copy and complete the following ray diagram.
(i) Draw a ray diagram to show how the lens can be used as a ‘magnifying glass’? State the nature of the lens.
(ii) In what respect does the image in (i) above different from the image formed by a concave lens?
Write an expression for the magnifying power of a simple microscope. How can it be increased?
State two uses of magnifying glass.
