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If we had no lens in our eyes, the light entering our eye would not be focused onto the retina, causing blurred vision. The lens plays a vital role in adjusting the focus of incoming light to create a clear image on the retina.

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Can a lens have it's optical centre outside the lens?

No, the optical center of a lens is always located within the lens itself. It is the point from which light rays appear to converge and is used as a reference point for optical calculations.


A lens of glass is immersed in water. What will happen to its power?

The power of a lens depends on the differences in the refractive indices of the environment and the lens material. A glass lens immersed in water will loose power (a positive lens will focus at a greater distance). (This is for normal glass with refractive index greater than water - there could be glasses with refractive index less than water in which case the lens would gain power)


What happen if the microscope lens touch the slide?

1. The lens could break the slide or slip 2. The lens could make contact with a fluid on the slide, and suck the fluid up around the edges of the lens. It could even damage the lens. In any case, it would take a lot of bucks to have the microscope repaired.


If a microscope had a power of magnification of 200x what would the power of the objective lens be if the eyepiece lens is 10x?

The total magnification of a microscope is calculated by multiplying the power of the objective lens by the power of the eyepiece lens. Given a total magnification of 200x and an eyepiece lens power of 10x, the power of the objective lens would be 200x/10x = 20x.


What will happen to the focal length of a lens if it is cut into half vertically?

When the lens is cut vertically then the focal length of the lens will increase.the focal length will become approx double.

Related Questions

When did Battle of Lens happen?

Battle of Lens happened on 1648-08-20.


What would happen to a person's vision if the eye's lens as unable to change shape?

Then the person wouldn't be able to see very well.


To magnify an object would you use a convex lens or a concave lens?

You would use a convex lens.


What type of lens would you use to magnify an object?

You would use a convex lens.


Can a lens have it's optical centre outside the lens?

No, the optical center of a lens is always located within the lens itself. It is the point from which light rays appear to converge and is used as a reference point for optical calculations.


A lens of glass is immersed in water. What will happen to its power?

The power of a lens depends on the differences in the refractive indices of the environment and the lens material. A glass lens immersed in water will loose power (a positive lens will focus at a greater distance). (This is for normal glass with refractive index greater than water - there could be glasses with refractive index less than water in which case the lens would gain power)


What type of lens would you use to examine a tiny insect?

convex lens


What happen if the microscope lens touch the slide?

1. The lens could break the slide or slip 2. The lens could make contact with a fluid on the slide, and suck the fluid up around the edges of the lens. It could even damage the lens. In any case, it would take a lot of bucks to have the microscope repaired.


What lens would you use to shoot a models head outside in overcast weather?

i would rather use a convex lens


What kind of lens which diverges light rays?

Concave lens would diverge the rays.


What type of fisheye would fit on a Panasonic SDR S26 SD Camcorder?

To fit a Panasonic SDR S26 SD Camcorder, you would typically need a fisheye lens that is compatible with the camcorder's specific lens mount or a universal clip-on fisheye lens designed for compact camcorders. Since the SDR S26 has a fixed lens, a clip-on fisheye lens that attaches to the front of the existing lens would be the most practical option. Ensure that the diameter of the clip-on lens matches the camcorder's lens size for a proper fit.


If a microscope had a power of magnification of 200x what would the power of the objective lens be if the eyepiece lens is 10x?

The total magnification of a microscope is calculated by multiplying the power of the objective lens by the power of the eyepiece lens. Given a total magnification of 200x and an eyepiece lens power of 10x, the power of the objective lens would be 200x/10x = 20x.

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