Navigate

A luminous object is seperated from a screen by distance d. A convex lens

A luminous object is seperated from a screen by distance d. A convex lens is placed between the object and the screen such that it forms a distinct image on the screen. The maximum possible focal length of this convex lens is

Options

(a) 4 d
(b) 2d
(c) d/2
(d) d/4

Correct Answer:

d/4

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

WB2014
admin:

Related Questions

  1. The time period of a simple pendulum in a lift descending with constant acceleration g is
  2. Two similar springs P and Q have spring constants Kp and Kq, such that Kp>Kq.
  3. A ballon rises from rest with a constant acceleration g/8. A stone is released
  4. A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
  5. 3 persons are initially at the 3 corners of an equilateral triangle