CBSE Class 10CBSE
Share
Notifications

View all notifications

A Burning Candle Whose Flame is 1.5 Cm Tall is Placed at a Certain Distance in Front of a Convex Lens. an Image of Candle Flame is Received on a White Screen Kept Behind the Lens. the Image of Flame Also Measures 1.5 Cm. If F Is the Focal Length of Convex Lens, the Candle is Placed: (A) At F (B) Between F And 2f (C) at 2f (D) Beyond 2f - CBSE Class 10 - Science

Login
Create free account


      Forgot password?

Question

A burning candle whose flame is 1.5 cm tall is placed at a certain distance in front of a convex lens. An image of candle flame is received on a white screen kept behind the lens. The image of flame also measures 1.5 cm. If is the focal length of convex lens, the candle is placed:

(a) at f
(b) between f and 2f
(c) at 2f
(d) beyond 2f

Solution

 at 2f

This is because a convex lens produces an image of the same size as the object when the object is placed at 2f.

  Is there an error in this question or solution?

APPEARS IN

Video TutorialsVIEW ALL [1]

Solution A Burning Candle Whose Flame is 1.5 Cm Tall is Placed at a Certain Distance in Front of a Convex Lens. an Image of Candle Flame is Received on a White Screen Kept Behind the Lens. the Image of Flame Also Measures 1.5 Cm. If F Is the Focal Length of Convex Lens, the Candle is Placed: (A) At F (B) Between F And 2f (C) at 2f (D) Beyond 2f Concept: Refraction of Light - Image Formation by Lenses - Convex Lens.
S
View in app×