A toy car is placed 19.23 cm away from a lens that has a focal length...
An object is placed 12cm away from a convex lens that has a focal length of 5cm. a. Sketch a ray diagram for the situation. b. Is the image real or virtual, magnified or reduced, and upright or inverted? c. Determine where you should put a screen in order to project the image clearly. Is your answer consistent with the ray diagram? How do you know?
An object is placed 18 cm from the center of a converging lens of focal length 6 cm. 1) What will be the distance of the image from the lens? (cm) 2) What is the magnification of the image? 3) The object is moved. The image is now 10 cm away from the lens. How far is the object from the lens? (cm)
An object is placed 7 cm away from a lens with focal length 12 cm. Which of the following statements is correct? The image is larger than the object and inverted. The image is larger than the object and upright. The image is smaller than the object and inverted. The image is smaller than the object and upright.
A 4.0cm tall object is placed 60cm away from a converging lens of focal length 30 cm. What is the nature and location of the image?
A 10-cm tall object is placed 40 cm away from a lens that has a focal length of +8 cm. (a) What kind of lens is this? (b) Draw a ray diagram (c) Calculate image distance and height (I got a Di of 10 cm and a H of -2.5 but I can't match that with the diagram) (d) If you moved the lens a little to the right, the image would [ ] move to the right [ ]...
1) A toy car is placed 57.0 cm from a convex mirror. The image of the car is upright and one-fifth as large as the actual car. Calculate the mirror's power in diopters. 2) A lens is formed from a plastic material that has an index of refraction of 1.55. If the radius of curvature of one surface is 1.05 m and the radius of curvature of the other surface is 1.95 m, use the lensmaker's equation to calculate the...
A concave lens has a focal length of -36 cm. Find the image distance and magnification that results when an object is placed 19 cm in front of the lens. (Use the proper sign convention for both quantities.) When an object is located 61 cm to the left of a lens, the image is formed 25 cm to the right of the lens. What is the focal length of the lens? An object with a height of 2.22 cm is...
One lens has a focal length of +15.6 cm. A second lens of focal length +21.1 cm is placed in contact with the first lens. What is the equivalent focal length of the combination of lenses?
A double convex lens with a focal length of 45.0 cm is placed 65.0 cm from an object. How far from the lens is the image in focus? Enter your answer in cm.
The convex lens of a copy machine has a focal length of 22.5 cm. A letter to be copied is placed 45.0 cm from the lens. (a) How far from the lens is the copy paper? cm (b) How much larger will the copy be? ho