Question

SR.NO ANGLE
1. 30°
2. 45°
3. 60°
4. 90°
5. 180°
find all its number of images n and number of images as per the formula.

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Answer 1

Explanation

formula for forming image = 360/a-1

1. 360/30-1=

12-1=11

2. 360/45-1=

8-1=7

3. 360/60-1=

6-1=5

4. 360/90-1=

4-1=3

5. 360/180-1=

2-1=1