Advertisements
Advertisements
प्रश्न
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 |
उत्तर
| 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
संबंधित प्रश्न
Consider two statements A and B given below:
A: real image is always inverted
B: virtual image is always erect
Out of these two statements:
The focal length of a convex lens is 25 cm. What is its power?
What is the nature of a lens whose power is, −4 D?
A converging lens has a focal length of 50 cm. The power of this lens is:
Define the term power of a lens.
How does the power of a lens change if its focal length is doubled?
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 5.0 diopter lens forms a virtual image which is 4 times the object placed perpendicularly on the principal axis of the lens. Find the distance of the object from the lens.
Focal length : metre : : power of lens : _______
Find the power of a convex lens of focal length of + 25 cm.
