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Solution


Q.

The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.

Ramesh places a mirror on level ground to determine the height of a pole. He stands at a certain distance so that he can see the top of the pole reflected in the mirror. Ramesh’s eye level is 1.5 m above the ground. The distances from the mirror to Ramesh and from the mirror to the pole are 1.8 m and 6 m, respectively.

Based on the above information, answer the following questions:

 

(iii) (a) What is the distance between mirror and pole
1 6 m  
2 5 m  
3 4 m  
4 3 m  

Ans.

(1)

Distance between mirror and pole is 6 m.