A student focussed the image of a candle flame on a white screen using a convex..| Light | 10th CBSE

Описание к видео A student focussed the image of a candle flame on a white screen using a convex..| Light | 10th CBSE

Most expected physics practice problem| Light DPP Day 10| 10th CBSE

question

A student focussed the image of a candle flame on a white screen using a convex lens. He noted down the position of the candle, screen and the lens as under

Position of candle = 12.0 cm
Position of convex lens = 50.0 cm
Position of the screen = 88.0 cm

(i) what is the focal length of the convex lens?

(ii) where will the image be formed, if he shifts the candle towards
the lens at a position of 31.0 cm ?

(iii) what will be the nature of the image formed, if he further shifts
the candle towards the lens?

(iv) Draw a ray diagram to show the formation of the image in
case as said above.

chapter 10 light reflection and refraction

practice problem

previous year question

ncert question

ncert exemplar

ncert sample paper

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