LIGHT, Class X, MCQ Part -4
MCQ'S MCQ Questions for Class 10 Science Light Reflection and Refraction with Answers. Students can solve NCERT Class 10 Science Light Reflection and Refraction (part-2) Latest Exam Pattern Multiple Choice Questions with Answers to know their preparation level. Question1. The refractive index of medium A is 1.5 and that of medium B is 1.33. If the speed of light in air is 3 × 10 8 m/s. What is the speed of light in medium A and B respectively? (a) 2 × 10 8 m/s and 1.33 × 10 8 m/s. (b) 1.33 × 10 8 m/s and 2 × 10 8 m/s. (c) 2.25 × 10 8 m/s and 2 × 10 8 m/s. (d) 2 × 10 8 m/s and 2.25 × 10 8 m/s. Answer. (d) 2 × 10 8 m/s and 2.25 × 10 8 m/s. (Here c = 3 × 10 8 m/s Question 2. An object of height 4 cm is kept at a distance of 30 cm from the pole of a diverging mirror. If the focal length of the mirror is 10 cm, the height of the image formed is: (a) + 3.0 cm (b) + 2.5 cm (c) + 1.0 cm (d) + 0.75 cm Answer.(c)