Light - Reflection and Refraction
7 solved questions from Class 10 Science, each with the full working. Tap any question to see the step-by-step solution.
- 1 Light travels from glass (refractive index n=1.5) to air. The critical angle for total internal reflection is closest to: hard MCQ 2 marks Critical angle and total internal reflection
- 2 A ray of light strikes a plane mirror at an angle of incidence of 30°. What is the angle between the reflected ray and the normal to the mirror? easy MCQ 1 mark Law of reflection
- 3 The speed of light in a certain transparent material is 2.25×10^8 m s^-1. Calculate the refractive index of the material. easy 1 mark Refractive index definition
- 4 Calculate the critical angle for total internal reflection when light travels from water (n=1.33) to air (n=1.00). easy 1 mark Critical angle and total internal reflection
- 5 An object 2 cm tall is placed 5 cm in front of a concave mirror whose focal length is -10 cm. (i) Find the position of the image. (ii) State whether the image is real or virtual and whether it is upright or inverted. (iii) Calculate the magnification and the height of the image. hard 5 marks Concave mirror image formation
- 6 What is the primary topic or theoretical principle explored in 'Light - Reflection and Refraction' (Class 10 SCIENCE)? medium MCQ Chapter Core Principle
- 7 Which key mechanism or analytical rule is highlighted in 'Light - Reflection and Refraction'? medium MCQ Key Analytical Mechanism