Reflection of Light Exe-7B Long Answer Concise Physics ICSE Class-9 Selina Publishers There is the solutions of Long Answer type Questions of your latest textbook which is applicable in 2025-26 academic session. Visit official Website CISCE for detail information about ICSE Board Class-9.
Reflection of Light Exe-7B Long Answer Type
Concise Physics ICSE Class-9 Selina Publishers
| Board | ICSE |
| Class | 9 |
| Subject | Physics |
| Writer / Publication | Concise Selina Publishers |
| Chapter-7 | Reflection of Light |
| Exe-7B | Images Formed by a pair of Mirrors |
| Topics | Solution of Exe-7(B) Long Answer Type |
| Academic Session | 2025-2026 |
Exercise- 7B Images Formed by a Pair of Mirrors
page -174
Long Answer Type :
Que-1: How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
Ans: For two mirrors kept perpendicular to each other, three images are formed for an object kept in between them.
Que-2: Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram.
Ans: For two mirrors kept parallel to each other, an infinite number of images are formed for an object kept in between them.
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