(a) What type of lens is shown in the diagram on the right? What will happen to the parallel rays of light? Show by completing the ray diagram.
(b) Your eye contains a convex lens. Why is it unwise to look at the sun?

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Solution

(a) It's a convex lens. The light rays will converge at a point called the focus of the lens.

(b) A convex lens converges a beam of light rays at a point called the focus. Therefore, it is unwise to look at the sun as it may damage the eye.

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Similar questions

(a) What type of lens is shown in the diagram on the right ? What will happen to the parallel rays of light ? Show by completing the ray diagram. (b) Your eye contains a convex lens. Why is it unwise to look at the sun ?

Q. Draw the given diagram in your answer book and complete it for the path of a ray of light beyond the lens.

(a) What type of lens is shown in this diagram?
(b) Is it a converging lens or a diverging lens?

Q. (a) What is myopia (near-sightedness)?
(b) Draw a ray diagram to show an eye having myopia.
(c) Draw another ray-diagram to show how myopia can be corrected by using a lens.

Draw a ray diagram to show how a converging lens is used as a magnifying glass to observe a small object. Mark on your diagram the foci of the lens and the position of the eye.

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(a) What type of lens is shown in the diagram on the right? What will happen to the parallel rays of light? Show by completing the ray diagram. (b) Your eye contains a convex lens. Why is it unwise to look at the sun? Figure

(a) It's a convex lens. The light rays will converge at a point called the focus of the lens. (b) A convex lens converges a beam of light rays at a point called the focus. Therefore, it is unwise to look at the sun as it may damage the eye.

(a) What type of lens is shown in the diagram on the right? What will happen to the parallel rays of light? Show by completing the ray diagram.
(b) Your eye contains a convex lens. Why is it unwise to look at the sun?

Figure

(a) It's a convex lens. The light rays will converge at a point called the focus of the lens.

(b) A convex lens converges a beam of light rays at a point called the focus. Therefore, it is unwise to look at the sun as it may damage the eye.