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Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsReflection at curved surfaceEasy2 minPYQ_2020

PhysicsEasysingle choice

An object is placed at a distance of $20 cm$ from the pole of a concave mirror of focal length $10 cm$ . The distance of the image formed is

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Answer:

Solution:

Given, $f =- 10 c m, u = - 20 c m$

$\frac{1}{f} = \frac{1}{u} + \frac{1}{v}$

$\frac{1}{v} = \frac{1}{f} - \frac{1}{u} = \frac{1}{- 10} + \frac{1}{20} = \frac{- 1}{20}$

$v = - 20 c m$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Geometrical OpticsSubtopic:Reflection at curved surface

⏱ 2mℹ️ Source: PYQ_2020

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