A concave mirror gives an image three times as large as the object placed at a distance of 
from it. For the image to be real, the focal length should be
a)
10 
b)
15 
c)
20 
d)
30 
A concave mirror gives an image three times as large as the object placed at a distance of from it. For the image to be real, the focal length should be
a)
10
b)
15
c)
20
d)
30
Question ID - 153041 | SaraNextGen Top Answer
A concave mirror gives an image three times as large as the object placed at a distance of from it. For the image to be real, the focal length should be
a)
10
b)
15
c)
20
d)
30
|
A concave mirror gives an image three times as large as the object placed at a distance of |
|||||||
|
a) |
10 |
b) |
15 |
c) |
20 |
d) |
30 |
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