Podcast
Questions and Answers
If a clock without numbers shows the real time as 9:30, what time will be indicated in its image when placed in front of a plane mirror?
If a clock without numbers shows the real time as 9:30, what time will be indicated in its image when placed in front of a plane mirror?
If the entire two opposite walls in a room consist of plane mirrors, how much larger will the room seem to appear?
If the entire two opposite walls in a room consist of plane mirrors, how much larger will the room seem to appear?
If a number chart is placed in front of a plane mirror, which numbers will be read properly in the mirror?
If a number chart is placed in front of a plane mirror, which numbers will be read properly in the mirror?
If a clock without numbers shows the real time as 9:30, what time will be indicated in its image when placed in front of a plane mirror?
If a clock without numbers shows the real time as 9:30, what time will be indicated in its image when placed in front of a plane mirror?
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If you stand in front of two adjacent large mirrors (at 90° angle), how many images will you see?
If you stand in front of two adjacent large mirrors (at 90° angle), how many images will you see?
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If you stand in front of two adjacent large mirrors (at 90° angle), how many images will you see?
If you stand in front of two adjacent large mirrors (at 90° angle), how many images will you see?
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If you placed a number chart in front of a plane mirror, which numbers will be read properly in the mirror?
If you placed a number chart in front of a plane mirror, which numbers will be read properly in the mirror?
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An object is 6 cm in front of convex mirror with a focal length of 6 cm. What is the location of the image formed?
An object is 6 cm in front of convex mirror with a focal length of 6 cm. What is the location of the image formed?
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Study Notes
Reflections and Mirrors
- When a clock without numbers shows the real time as 9:30, its image in a plane mirror will indicate 9:30 as well, since the mirror reflects the clock's hands without altering the time.
Mirror Illusions
- A room with entire two opposite walls consisting of plane mirrors will appear to be infinitely large, due to the recursive reflections of the mirrors.
Mirror Reflection of Numbers
- When a number chart is placed in front of a plane mirror, the numbers that are symmetrical (i.e., have horizontal line symmetry) will be read properly in the mirror, such as 0, 1, 8, etc.
Multiple Mirror Reflections
- When standing in front of two adjacent large mirrors at a 90° angle, an infinite number of images will be seen, with each mirror reflecting the reflection of the other.
Convex Mirror Reflection
- When an object is 6 cm in front of a convex mirror with a focal length of 6 cm, the image formed will be at the focal length, which is 6 cm behind the mirror.
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Description
Test your knowledge on mirrors and reflections with this summative assessment. Answer questions about the reflection of time on a clock, the visual appearance of a room with plane mirrors, and the behavior of light when reflected.
