Q16 of 27 Page 132

Use the data obtained by activity-2 in table-1 of this lesson and draws the graphs of u vs v and 1/u vs 1/v. (AS5)

Let the focal length f be 20 cm. for convex lens object distance, u is negative.

using lens formula:






More from this chapter

All 27 →
14

Collect the information about the lenses available in an optical shop. Find out how the focal length of a lens may be determined by the given 'power of lens. (AS4)

 15

Collect the information about lenses used by Galileo in his telescope. (AS4)

 17

Figure Q-17 shows ray AB that has passed through a divergent lens. Construct the path of the ray up to the lens if the position of its foci is known. (AS5)

 18

Figure Q- 18 shows a point light source and its image produced by a lens with an optical axis N1N2. Find the position of the lens and is foci using a ray diagram. (AS5)