The diagram alongside shows a lens as a combination of a glass slab an

1.	The diagram alongside shows a lens as a combination of a glass slab and two prisms. (i) Name the lens formed by the combination. (ii) What is the line XX' called ? (iii) Complete the ray diagram and show the path of the incident ray AB after passing through the lens. (iv) The final emergent ray will either meet XX' at a point or appear to come from a point on XX'. Label the point as F. What is this point called ?
Answer» The diagram alongside shows a lens as a combination of a glass slab and two prisms. (i) Name the lens formed by the combination. (ii) What is the line XX' called ? (iii) Complete the ray diagram and show the path of the incident ray AB after passing through the lens. (iv) The final emergent ray will either meet XX' at a point or appear to come from a point on XX'. Label the point as F. What is this point called ?

The diagram alongside shows a lens as a combination of a glass slab and two prisms. (i) Name the lens formed by the combination. (ii) What is the line XX' called ? (iii) Complete the ray diagram and show the path of the incident ray AB after passing through the lens. (iv) The final emergent ray will either meet XX' at a point or appear to come from a point on XX'. Label the point as F. What is this point called ?

Answer»

The diagram alongside shows a lens as a combination of a glass slab and two prisms.

(i) Name the lens formed by the combination.

(ii) What is the line XX' called ?

(iii) Complete the ray diagram and show the path of the incident ray AB after passing through the lens.

(iv) The final emergent ray will either meet XX' at a point or appear to come from a point on XX'. Label the point as F. What is this point called ?