plzsomeone solve both these questions.
I NEED IT NOW

plzsomeone solve both these questions. I NEED IT NOW Question 8. (a) An object 15 cm high forrns a virtual, erect and diminished image, 5 cm high at a distance Of 45 cm from the object. By choosing a suitable scale, draw a two ray diagram for the formation of the image. From the scale diagram find the nature, position and focal length of the lens. (b) ABC is a right angled prism. Copy the diagram. Trace the course of the ray PQ through the glass prism, showing all the angles where the ray deviates. Name the optical phenomenon taking place and define it. [51 500 400 c