Home/ Questions/Q 173071
Next
In Process
Taijeshvi
  • 1
Poll
Asked: 2021-12-03T08:36:38+00:00 In:

An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.

  • 1

Poll Results

7.53%[A] Convex mirror of focal length 12 cm ( 14 voters )
17.2%[B] Convex lens of focal length 24 cm ( 32 voters )
70.43%[C] Concave mirror of focal length 24 cm ( 131 voters )
4.84%[D] Convex lens of focal length 12 cm ( 9 voters )
Based On 186 Votes

Participate in Poll, Choose Your Answer.

Concave mirror forms real image of distant object, the sun, at its principal focus, which is in front of the mirror. Focal length is the distance between pole of the mirror and the focus, focal length= 24 cm.

class 10 science mcq solutionsclass 10th science cbsc sample paper
Share

    1 Answer

    1. [C] Concave mirror of focal length 24 cm

      • 0
    Leave an answer

    Leave an answer

    Browse