Show with the help of a ray diagram how the image is formed in an astronomical telescope .

With the help of a diagram show the mechanism of diffusion.

With the help of a diagram show the sigmoid growth curve.

Show with the help of a diagram the nature of the magnetic lines of force normal to the plane of current carrying circular coil.

In hypermetropia, the image is formed

Where is image formed in eye?

Show with the help of cross how haemophilia is inherited.

Draw a ray diagram depicting the formation of the image by an astronomical telescope in normal adjustment.

Draw a ray diagram showing the formation of image by a reflecting telescope.

With the help of a diagram, describe the mechanisms of breathing.