Punjab 10th Class Physics Chapter 3 Geometrical Optics Mcqs Test Online Punjab 10th Class Physics Chapter 3 Geometrical Optics Mcqs Test Online 1234567891011121314151617181920Show paginator Hide paginator 5% Question 1 of 20Physics 1. Linear magnification: 1.Is the ratio of the distance of object and image from the focal point 2.Is the ration of the distance of object to image distance from mirror 3.Is the ration of the distance of image from object and the distance of object from the mirror 4.Is the ration of the distance of the image and object from the mirror Question 1 of 20Question 2 of 20 2. Which type of image is formed by a concave lens on a screen? 1.Inverted and real 2.Inverted and virtual 3.Upright and virtual4.Upright and real Question 2 of 20Question 3 of 20 3. Image formed on a camera is: 1.Real, inverted and diminished 2.Real, inverted and magnified 3.Virtual, upright and magnified 4.Virtual, upright and diminished Question 3 of 20Question 4 of 20 4. If a ray of light in glass in incident on an air surface at an angle greater than the critical angle, the ray will: 1.Partially reflected and partially transmitted 2.Totally reflected 3.Be absorbed 4.Totally transmittedQuestion 4 of 20Question 5 of 20 5. If the image is virtual, then its distance from lens is taken: 1.Half2.Negative 3.Positive 4.Double Question 5 of 20Question 6 of 20 6. An object is placed at the center of curvature of a concave mirror. This image produced by the mirror is located: 1.Between the center of curvature and the focal point 2.Center of curvature 3.Beyond the center of curvature 4.At the focal point Question 6 of 20Question 7 of 20 7. Which of the following quantities is not changed during refraction of light? 1.Its speed 2.Its wavelength 3.Its frequency 4.Its direction Question 7 of 20Question 8 of 20 8. The distance between principal focus of a convex mirror and its pole is called: 1.Virtual focus2.Radius 3.Focal length 4.Principal axis Question 8 of 20Question 9 of 20 9. The principal focus of a concave mirror is real because: 1.The reflected rays actually pass through it 2.The reflected rays do not pass through it 3.Prism has been placed before principal focus 4.None of these Question 9 of 20Question 10 of 20 10. An object is 14 cm in front of a convex mirror. The image is 5.8 cm behind the mirror. What is the focal length of the mirror? 1.8.2 cm 2.4.1 cm 3.9.9 cm 4.20 cmQuestion 10 of 20Question 11 of 20 11. Diameter of a spherical mirror is called: 1.Aperture 2.Center of curvature 3.Radius of curvature 4.Focal lengthQuestion 11 of 20Question 12 of 20 12. A converging mirror with a radius of 20 cm creates a real image 30 cm from the mirror. What is the object distance? 1.0.5 cm 2.20 cm 3.15 cm 4.7.5 cm Question 12 of 20Question 13 of 20 13. The focal length of a spherical mirror is: 1.2R 2.R 3.None of these4.R/2 Question 13 of 20Question 14 of 20 14. Focal length of the concave mirror is: 1.Negative 2.Positive 3.Smaller 4.Greater Question 14 of 20Question 15 of 20 15. Which type of image is produced by the converging lens of human eye if it views a distant object? 1.Real, erect, same size 2.Virtual, erect, diminished 3.Virtual, inverted, magnified 4.Real, inverted, diminished Question 15 of 20Question 16 of 20 16. If a ray of light in glass is incident on an air surface at an angle greater than the critical angle, the ray will: 1.Refract only 2.Diffract only 3.Partially refract and partially reflect 4.Reflect only Question 16 of 20Question 17 of 20 17. If the outer curved surface of a mirror is reflecting, then it is called: 1.Plane mirror 2.Concave mirror 3.Convex 4.Spherical mirror Question 17 of 20Question 18 of 20 18. The index of refraction depends upon: 1.The speed of light 2.The image distance 3.The object distance 4.The focal length Question 18 of 20Question 19 of 20 19. The ratio of the height of the image to an object is called: 1.Mirror 2.Magnification 3.Mirage 4.Imagination Question 19 of 20Question 20 of 20 20. Focal length of a concave lens is: 1.Greater 2.Negative 3.Positive 4.Smaller Question 20 of 20 Loading... Test By Subject Punjab Test By Topics 10th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.