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  • What will be length of the focal point from the pole (cm), if the radius of curvature of the spherical mirror is 28 cm?Option: 1 56<br

What will be length of the focal point from the pole (cm), if the radius of curvature of the spherical mirror is 28 cm?

Option: 1

56


Option: 2

14


Option: 3

42


Option: 4

7


Answers (1)

best_answer

 

 

 

Focal Length (f)- It is the distance between the pole and the principal focus. For spherical mirrors, f=\frac{R}{2}

                                                               So, 

                                                                        f = \frac{28}{2} = 14 cm

   

 

Posted by

vishal kumar

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