Advertisements
Advertisements
Question
Match the following:
| Column - I | Column - II | ||
| 1 | Retina | a | Path way of light |
| 2 | Pupil | b | Far point comes closer |
| 3 | Ciliary muscles | c | near point moves away |
| 4 | Myopia | d | Screen of the eye |
| 5 | Hypermetropia | e | Power of accommodation |
Advertisements
Solution
| Column - I | Column - II | ||
| 1 | Retina | d | Screen of the eye |
| 2 | Pupil | a | Pathway of light |
| 3 | Ciliary muscles | e | Power of accommodation |
| 4 | Myopia | b | Far point comes closer |
| 5 | Hypermetropia | c | Near point moves away |
APPEARS IN
RELATED QUESTIONS
Give the usual name for the following:
A point inside a lens through which the light passes undeviated.
A diverging lens has focal length of 3 cm. Calculate the power.
A doctor has prescribed a corrective lens of power, −1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?
A combination of lenses for a camera contains two converging lenses of focal lengths 20 cm and 40 cm and a diverging lens of focal length 50 cm. Find the power and focal length of the combination.A optical instrument in which the above arrangement of convex lens is used is a convex lens used to burn paper by focusing sunlight.
How is the power of a lens related to its focal length?
A thin converging lens is formed with one surface convex and the other plane. Does the position of image depend on whether the convex surface or the plane surface faces the object?
A screen is placed a distance 40 cm away from an illuminated object. A converging lens is placed between the source and the screen and its is attempted to form the image of the source on the screen. If no position could be found, the focal length of the lens
Which lens has more power a thick lens or a thin lens?
The power of convex lens of focal length 20 cm is ______.
In what unit is the power of a lens expressed?
