Question

2. If we place an object in front of a concave mirror, the image formed will always be real. false 3. A beam of light travels from a transparent material to air. The beam is refracted at an angle of 25° to the normal. The beam travels at a speed of 2.20 x 108 m/s in the material. 4. A beam of light travels from a transparent material to air. The beam is refracted at an angle of 25° to the normal. The beam travels at a speed of 2.20 x 108 m/s in the material. Determine the total internal reflection angle. 5. An object of 3.0 cm height is placed in front of a biconvex lens with focal length of 20.0 cm. The image is formed 35.0 cm from the vertex. Determine the position of the object in centimeters. 6. An object of 3.0 cm height is placed in front of a biconvex lens with focal length of 20.0 cm. The image is formed 35.0 cm from the vertex. Determine the side magnification of the image. 7. An object of 3.0 cm height is placed in front of a biconvex lens with focal length of 20.0 cm. The image is formed 35.0 cm from the vertex. Determine the height of the image in centimeters 8. An object of 3.0 cm height is placed in front of a biconvex lens with focal length of 20.0 cm. The image is formed 35.0 cm from the vertex. The picture is ... Select one or more: real * increased in size inverted * right virtual reduced in size equal in size

Answer 1

usind using long farmola - et- 17. u #t 7H - - 0.35 -1 35 20 3580 358 20 :- 46.67cm -15 magnification (m) V u 35 4162 6 - 0.75