Single Choice

Select the correct alternative (s) :

AA convex lens may form a real image
B$$R=2f$$ formula is applicable to only paraxial ray
CA convex lens becomes less convergent when it is immersed in water
DAll of the above
Correct Answer

Solution

SIMILAR QUESTIONS

Optics

The speed at which the image of the luminous point object is moving, if the luminous point object is moving at speed $$v_0$$ towards a spherical mirror, along its axis, is: (Given: $$R=$$ radius of curvature, $$u=$$ object distance)

Optics

An object is placed at a distance $$12\ cm$$ from a concave mirror of focal length $$6\ cm$$. The object moves $$2\ cm$$ towards the mirror. Find the distance moved by image.

Optics

For which position of the object does a concave mirror produce an inverted, magnified and real image ?

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