All Flashcards
What are the key differences between real and virtual images?
Real Image: Formed by converging light rays, can be projected on a screen. Virtual Image: Formed by diverging light rays, cannot be projected on a screen.
Compare and contrast convex and concave lenses.
Convex Lenses: Converge light, can form real or virtual images. Concave Lenses: Diverge light, only form virtual images.
What are the key differences between real and virtual images?
Real images: formed by converging rays, can be projected. Virtual images: formed by diverging rays, cannot be projected.
Compare and contrast convex and concave lenses.
Convex lenses: converge light, can form real or virtual images. Concave lenses: diverge light, only form virtual images.
Differentiate between image distance () for real vs. virtual images.
Real images: is positive. Virtual images: is negative.
Compare image orientation formed by convex and concave lenses.
Convex lens: Image can be inverted or upright. Concave lens: Image is always upright.
Compare image size formed by convex and concave lenses.
Convex lens: Image can be enlarged or reduced. Concave lens: Image is always reduced.
What is the effect of a convex lens on parallel light rays?
The rays converge at the focal point.
What is the effect of a concave lens on parallel light rays?
The rays diverge, appearing to originate from a focal point on the same side of the lens.
What happens when |M| > 1?
The image is larger than the object (enlarged).
What happens when |M| < 1?
The image is smaller than the object (reduced).
What does a negative magnification (M) indicate?
The image is inverted.
What does a positive magnification (M) indicate?
The image is upright.