Question

a virtual image three ime the ize of the object is obtained with the concave mirror of radius of curvature 36cm, the ditance of the object from the mirror?

Answer 1

here my work
f=R/2
f= -12cm
now we kne
m=hieght of image/height of object
m=3u/u
m=3
now we kne
m=f-v/f
-12x3=12-3u
-36-12=-3u
-48/-3=u
16cm = u

Answer 2

this is not the ans i m gettin :(

Answer 3

ok u=-16cm aa rha hai kya..

Answer 4

ni

Answer 5

lols question ray optics ka hai kya ...........me to abi capacitors pr hi hu........fir b me try kr rhi hu

Answer 6

f = -18 cm

Answer 7

ans is 12 cm

Answer 8

heena r u der??????

Answer 9

yea

Answer 10

u = -12 cm is correct. Well done!

Answer 11

yes but how??