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# The Diagram Alongside Shows a Lens as a Combination of a Glass Block and Two Prisms. (I) Name the Lens Formed by the Combination. (Ii) What is the Line Xx’ Called? - ICSE Class 10 - Physics

ConceptConcept Refraction of Light Through a Lense

#### Question

The diagram alongside shows a lens as a combination of a glass block and two prisms.
(i) Name the lens formed by the combination.
(ii) what is the line XX’ called?
(iii) Complete the path of the incident ray AB after passing through the lens.
(iv) The final emergent ray either meets XX’ at a point or appears to come from a point on XX’ Label it as F. what is this point called?

#### Solution

(i) The combination forms concave lens.

(ii) XX' is known as principal axis.
(iii) Complete diagram is drawn as

(iv) The point F is called as Focal point or focus.

Is there an error in this question or solution?

#### APPEARS IN

Solution The Diagram Alongside Shows a Lens as a Combination of a Glass Block and Two Prisms. (I) Name the Lens Formed by the Combination. (Ii) What is the Line Xx’ Called? Concept: Concept Refraction of Light Through a Lense.
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