Question

17. A concave mirror forms an inverted image of an object placed at a distance of 15cm from
it If the image is three times as large as the object, where is it formed?
(0/1 Points)
-45cm
45cm
5cm
PLSE ANS CORRECTLY ANS UNDERSTANDINGLY. I WILL MARK U AS BRAINLIEST​

Answer 1

Answer:

u=  -15cm

let height of object=H

therefore, height of image = 3H

now magnification= hi/ho

=  -3h/h  [-sign is used because image is inverted]

= -3

W.K.T.    m= -v/u

-3= -v/-15

v= -45cm

therefore, the image is formed 45cm away in the same direction of the object.[b]

Explanation:

Answer 2

Answer:

you will be - 15 by applying the the one by x is equal to 1 by 2 minus 1 by you