Question

an object of size 3 centimetre is placed at a distance of 15 cm from a convex lens of focal length 10 centimetre calculate the distance and the size of the image 50 formed what will be the nature of image​

Answer 1

Answer:

given:-

size of object(ho)=3cm

object distance(u)=-15cm

focal length(f)=-10cm

image distance(v)=?

size of image(hi)=?

we know that

1/f=1/v+1/u

or;1/-10=1/v+1/-15

or;1/v=1/-10-1/-15

or;1/v=-1/30

or;v=-30

Now,

we also know

hi /ho=-v/u

hi=-v/u×ho

hi=-(-30)/-15×3

hi=-6

So,image distance=-30c

size of image =-6cm

Nature of image=enlarged,inverted and real

Answer 2

Answer:

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