whe
1.
4. What do you mean by lateral inversion?
5. When does a convex lens form a virtual image? Is the virtual image bigger or smaller thar
the object?
1. Draw a labelled diagram of an experiment to show rectilinear propagation of light.
2. What are the characteristics of the image formed by a plane mirror?
3. State three uses of concave mirrors.
4. Explain the differences between real and virtual images.
the follow
11. A diverging lens forms a real image of an object placed beyond F, and a virtual image of an
object placed between 0 and F. True or false?
Name the triangular piece of glass that splits white light into different colours.
C. SHORT-ANSWER QUESTIONS: Answer in a sentence or two.
What do you mean by 'angle of incidence of a ray of light on a plane mirror?
What is the relationship between angle of incidence and angle of reflection in a plane mirror
5. A convex rear view mirror is preferred over a plane mirror in a car. Why?
6. A convex lens is said to have a real focus and a concave lens a virtual focus. Why?
What is a real image?
7. What is a “spectrum'?
D. LONG-ANSWER QUESTIONS: Answer these questions.
Answers
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Answer:
4. Lateral inversion is a phenomenon in which left appears to be right and vice versa. It is due to direction that light follows when it strikes a reflecting surface, generally a mirror
5. the convex lens forms a virtual image when the object is placed between the focus (F1) and optical center. the image formed is larger than the object size.
1.
2.Images formed by plane mirrors are virtual, upright, left-right reversed, the same distance from the mirror as the object's distance, and the same size as the object.
Explanation:
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