हिंदी

A diverging lens has focal length of 3 cm. Calculate the power.

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प्रश्न

A diverging lens has focal length of 3 cm. Calculate the power. 

संख्यात्मक
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उत्तर

Given: f = −3 cm = −0.03 m (Diverging lens)

Formula: Power (P) = `1/f` 

∴ P = `1/(-0.03)` 

= `100/-3`

= −33.33 D

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अध्याय 2: Refraction of Light - Exercise 7 [पृष्ठ १३१]

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लखमीर सिंग Physics [English] Class 10
अध्याय 2 Refraction of Light
Exercise 7 | Q 13. | पृष्ठ १३१
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