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Is it convex lens always act as converging lens explain?
No, convex lenses can act as either converging or diverging lenses depending on the curvature of the surfaces. A convex lens will act as a converging lens when the surfaces are curved in such a way that they cause light rays to converge, while it will act as a diverging lens when the surfaces are curved differently to cause light rays to diverge.
When does a concave lens act as convex lens?
A convex lens acts as concave lens when it is kept in a medium whose optical density is higher than the lens itself. And the vice-verse is also true .i.e, a concave lens can act as convex lens too .
Are water bubbles act like convex lens?
Water bubbles do act like convex lenses in that they can refract light and create a focused image. The curved surface of a water bubble causes light rays passing through it to converge, similar to how a convex lens works. However, the optical properties of a water bubble are not as precise as those of a manufactured lens.
When does convex lens act as a concave lens?
A convex lens acts as concave lens when it is kept in a medium whose optical density is higher than the lens itself. And the vice-verse is also true .i.e, a concave lens can act as convex lens too .
When does convex lens act as a diverging lens?
A convex lens can act as a diverging lens when the object is placed very close to the lens, inside its focal length. In this situation, the light rays diverge after passing through the lens, causing the image to appear virtual and upright.
Does water act as a concave or convex lens?
Water can act as a concave or convex lens, depending on the shape of the water surface and its curvature. When the water surface is bulging outward, it acts as a convex lens, focusing light rays. On the other hand, when the water surface is curved inward, it acts as a concave lens, diverging light rays.
When does a convex lens act as a diverging lens?
A convex lens acts as a diverging lens when the light passing through it diverges rather than converges. This typically occurs when the object is located very close to the lens or when the light rays are not parallel to begin with.
An air bubble in water will act like concave or convex lens?
An air bubble in water will act like a concave lens. This is because the diverging effect on light rays passing through the air-water interface creates a virtual focus point on the opposite side of the bubble, similar to a concave lens.
Can a drop of water be used as a magnifier?
Yes.Just pour it over a glass and it'd act like a convex lens.
Why is a convex lens useful for starting fires?
Place the lens between sunlight and a fuel source (such as paper), adjust the lens position to be parallel to sunlight direction and adjust for the focal point where the sunlight would be concentrated to the ignition temperature of the fuel.
Why an air bubble in water will act like convex lens?
An air bubble in water acts like a convex lens because it has a higher refractive index than water, causing light rays passing through it to converge. This converging effect creates a virtual image located further away from the observer, similar to how a convex lens focuses light.
Can lens be made with water?
Well, the water would normally flow away, so you would either have to use a container (plastic or glass), or freeze the water. Any real outdoors-man knows that you can make a lens out of water and a plastic bag. In fact, if you are really good at this you can start fires using this type of lens to focus sunlight.
