Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsRefraction+ReflectionEasy2 minPYQ_2007

PhysicsEasysingle choice

Two lenses of power $- 15 D$ and $+ 5 D$ are in contact with each other. The focal length of the combination is

Answer:

Solution:

$P = P_{1} + P_{2} = - 10 f = \frac{1}{P} \Rightarrow - 0.1 m \Rightarrow - 10 cm$

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Refraction+Reflection

⏱ 2mℹ️ Source: PYQ_2007

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