Question
Draw a labeled diagram of a three pin socket.
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Answer
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→PQ is a ray of light incident on a rectangular glass slab. A student traces the path of ray which is refracted at the both the surfaces of the glass slab and finally emerges from slab as shown in the figure.
Complete the table, using the labels from the figure. The first label is done for you.
→Complete the table, using the labels from the figure. The first label is done for you.
| S.No | Description | Label |
| (a) | The refractive index of glass | $\sin i / \sin r$ |
| (b) | Relation between angles i and e | |
| (c) | Two rays which are parallel to each other | |
| (d) | Lateral displacement between the emergent ray and incident ray. | |
| (e) | State one factor which affects the lateral displacement |
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Diagram shows an object $AB$ placed on the principal axis $B$ of a convex lens placed in air. $F_1$ and $F_2$ are the two foci of the lens.
(i) Copy the diagram:
Draw a ray of light starting from $B$ and passing through $O$. Show the same ray after refraction by the lens. Draw another ray from $B$ which passes through $F_2$ after refraction by the lens. Locate the final image
(ii) Is the image real or virtual?
→(i) Copy the diagram:
Draw a ray of light starting from $B$ and passing through $O$. Show the same ray after refraction by the lens. Draw another ray from $B$ which passes through $F_2$ after refraction by the lens. Locate the final image
(ii) Is the image real or virtual?