Question

Magification is the ratio between height of the image to height of the object.
4. Passage :
-V
i.e.,
m =
U и
1)
2)
3)
4)
5)
height of image
height of object
If ‘m'is +ve the image is virtual and erect.
If 'm' is
-ve the image is real and inverted.
If m > 1, image is bigger than the object.
m<1 image is smaller than the object.
If m=1 image size is equal to object size.
- image distance
object distance
6) Magnification can also be written as m=
[ ]
i.
Magnification=
size of image
- image distance
d) All the above
a)
b)
size of object
object distance
ii.
[
If 'm' is (+) ve, then image formed
1
a) Virtual
b) erect
d) Both 'a' & 'b'
iii.
When image formed is smaller than object, then magnification is
[
a) less than one
b) greater than one c) equal to one
d) either 'b' or 'c'
iv.
A 3 cm tall object is placed at a distance of 7.5 cm from a convex mirror of focal length 6 cm. Then
image will form at
[
30
3.
30
4
a)
cm
35
b)
cm
d) cm
35
3
c) real
cm​

Answer 1

Answer:

Dont know sorry!

Explanation: