A careful reading of the question raises the uncomfortable suspicion that it might be
very difficult to put the focal length in water.
However, it's quite possible to put the lens itself in water. When that's done, it's quite
likely that the lens's focal length has changed. The refractive indexes of both materials ...
the substance of which the lens is made and the medium around it ... are both involved in
determining its focal length.
Yes , because when lens is deeped in water its R.I changes & hence focal length is increased
Not at all. The focal length is determined by the curvature of the surfaces.
i do not think so because a mirror an a lens is two same things except that mirrors can reflect the water and the lens may refract or bend the water so that can change the focal length between the mirror and the lens
no, because this happens only in the cases of lenses
to find the new focal length when the lens is put into water it becomes the 4 times the focal length in air.
The focal length of a lens is the distance from the principal foci to the center of the lens.
Excellent question. The answer is actually yes! According to the lens makers formula, it will change based on the refractive index of the material of the concave mirror wrt the medium. Google Lens makers formula for better understanding! NO! the focal length of the mirror will not change if it would be a lens then the focal length would change. The lens maker's formula is for Lenses only!
no change
The focal length of a lens is the distance from the center of the lens to the point at which it focuses light rays. The bigger the focal length, the more powerful the lens. ChaCha!
It is called the focal length. It is equal to 1/2 times r, and is positive on concave mirrors and negative on convex mirrors.
yes, focal lens length has three classifications
focal length of the lens