Physics
Grade-10
Easy
Question
A _____ image is always formed at the opposite side of a lens, and a _______ image is always formed at the same side of a lens as the object.
- Real, virtual
- Real, real
- Virtual, virtual
- Virtual, real
Hint:
- Real image is formed by the actual intersection of light rays. It can be obtained on a screen. Hence, projectors form real images. Virtual image is formed when the light rays appear to be originating from a point but does not actually meet. It can be seen by human eyes.
The correct answer is: Real, virtual
- Real image is formed by the actual intersection of light rays. It can be obtained on a screen. Hence, projectors form real images. Virtual image is formed when the light rays appear to be originating from a point but does not actually meet. It can be seen by human eyes.
- for a single thin lens, real images are always on the opposite side of the lens from the object, and virtual images are always on the same side
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