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A small electric lamp is placed at the focus of a convex lens.

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Q: When will you place an electric lamp from a convex lens so that a parallel beam of light comes out of it?
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Related questions

Can parallel rays of light meet?

If passed through a convex lense, then yes the parallel rays will meet.


What can Convex lens can produce?

A convex lens can converge a beam of parallel rays to a point on the other side of the lens. It is useful for reflecting and transmitting light.


Does Other name of convex mirror diverging mirror?

Yes...convex mirror diverges light ray that is parallel to the principle axis. The reflected light ray when traced backwards appears to be diverging from principal focus.


A convex lens can produce what?

A convex lens can converge a beam of parallel rays to a point on the other side of the lens. It is useful for reflecting and transmitting light.


What happens to parallel light rays hitting a convex mirror?

Due to the positive curvature of a convex mirror, when parallel light rays hit the mirror, they are reflected outward (they diverge). As such, convex mirrors are often used for security in convenient stores and other places...because they allow for a wide area to be reflected in the mirror, allowing you to see a wide area when you look at the mirror.


Does light travel as electric waves convex waves luminescent waves or electromagnetic waves?

electromagnetic waves


How do convex lenses bend light rays?

convex lenses bend light through refraction 1) a light ray that is parallel to the principal axis is refracted through the principal focus F. 2) A light ray passing through the principal focus F' is refracted parallel to the principal axis 3) a light ray passing through the lens' midpoint travels straight on -K14


Do all light waves that strike a convex lens pass through the focal point?

Only if they enter the lens in the direction parallel to its axis.


How does light reflect off a convex and concave?

A parallel light source will reflect off a concave mirror and go through a point inside the curve called the focus. Reflecting from a convex mirror will cause all light to bounce off in a straight line away from a focus point behind the mirror.


Which correctly describes the path of a light ray that passes through a convex lens parallel to the major axis?

The light ray will bend towards the major axis, aiming for the focal point.


Parallel light rays that pass through a convex lens are?

Converging. Tip: look at the pictures and read : http://en.wikipedia.org/wiki/Lens_(optics)


What is the use of convex?

A convex lens will scatter outbound light and focus inbound light.