Home
Class 10
PHYSICS
Vijay is 16 yr old and wears a spectacle...

Vijay is 16 yr old and wears a spectacle having a power of -2D. Answer the following questions:
State two reasons why this defect is caused?

Text Solution

Verified by Experts

The curvature of the cornea and the eye lens increases, so that the converging power of the lens remains large.
(ii) The eyeball elongates so that the distance between the lens and the retina increases.
Promotional Banner

Topper's Solved these Questions

  • LENSES

    CHETAN PUBLICATION|Exercise Assignment|14 Videos

  • LENSES

    CHETAN PUBLICATION|Exercise Answer the following in brief.|8 Videos

  • HEAT

    CHETAN PUBLICATION|Exercise ASSIGNMENT - 5 (Answer the following: (Any 1))|3 Videos

  • MODEL ACTIVITY SHEET

    CHETAN PUBLICATION|Exercise SOLVE THE FOLLOWING QUESTIONS : (ANY 1)|9 Videos

Similar Questions

Explore conceptually related problems

Selwyn is 16 yr old and wears a spectacle having a power of +2 D. Answer the following questions: State two reasons why this defect is caused?

Vijay is 16 yr old and wears a spectacle having a power of -2D. Answer the following questions: Name his eye defect.

Vijay is 16 yr old and wears a spectacle having a power of -2D. Answer the following questions: Compute the focal length of his lens.

Selwyn is 16 yr old and wears a spectacle having a power of +2 D. Answer the following questions: Name the eye defect he has.

Selwyn is 16 yr old and wears a spectacle having a power of +2 D. Answer the following questions: Compute the focal length of his lens.

Selwyn is 16 yr old and wears a spectacle having a power of +2 D. Answer the following questions: Which lens is used by selwyn?

Ankit developed an eye defect at the age of 65 yrs and had to wear a lens of power +3D. Answer the following questions: (a) Name the eye defect. (b) State two reasons why this defect is caused? (c) Compute the focal length of his lens

In the adjoining figure, the radius of a circle with center C is 6 cm . Line AB is a tangent at A . Answer the following question . what is the measure of angleCAB ? Why ? What is the distance of point C from line AB ? Why ? (iii) d(A, B) = 6 cm, find d (B, C) . (iv) What the measure of angleABC ? Why ?

Take a graph paper, plot the point (2, 4), and draw a line passing through it.Now answer the following questions. How many linear equations in two variables exist for which (2, 4) is a solution?