Homework Help: Physics

Posted by Harly on Monday, May 30, 2011 at 5:51pm.

An object is placed 30mm in front of a lens. An image of the object is located 90mm behind the lens.

a) Is the lens converging or diverging? explain.

b) What is the focal length of the lens?

c) Draw a diagram with lens at x=0, locate the image.

d) Is the image real or virtual?
Is it smaller, larger, or same size as the object?
Is it inverted or upright in comparison to the object?

e)the lens is replaced by a concave mirror with focal lenght 20 mm. Draw the mirror at position x=0 so that a real image is formed. Draw at least two rays and locate the image to show this situation.

f) If the object height is 15 mm, calculate the height of the image and the magnification of the mirror.

No one has answered this question yet.

Answer this Question

Related Questions

Physics - An object, that is 3.25 mm high is placed 16 cm in front of a lens. ...
physics - An object is located 16.8 cm in front of a convex mirror, the image ...
physics - An object is located 16.8 cm in front of a convex mirror, the image ...
Physics - An object is placed in front of a converging lens in such a position ...
Physical Science - Need help please. the once with the ( ) is my answer but i am...
Physics - I have been working on this homework question for a bit, but I just ...
physics - An object is placed 3cm in front of a diverging lens of focal length ...
physics - An object is placed 3cm in front of a diverging lens of focal length ...
physical science (light) - An object is located 51 millimeters from a diverging ...
marymount academy - 1.An object 2.5cm high is placed 10cm from a converging lens...

For Further Reading

First Name:
School Subject:
Answer: