Question 1 Define the term refraction of light? Question 2 Draw a diagram showing the bending of a ray of light when it travels from a rare medium to a denser medium? Question 3 State two laws of refraction? Question 4 What is the cause of refraction of light? Refraction of Light The phenomenon of bending of light when they pass from one medium to another medium is … [Read more...] about Refraction of Light
Class 10
Images formed by Concave Lens
Question 1 What are the sign conventions for measuring the distances for spherical lens? Question 2 The image formed by concave lens is seen to be virtual, erect and highly diminished than the object. What is the position of the object? Question 3 Where should an object be placed in front of a concave lens so as to obtain image between focus and optical centre? Images … [Read more...] about Images formed by Concave Lens
Images formed by Convex Lens
Question 1 Where should an object be placed in front of a convex lens so as to obtain image on same side of lens? Question 2 The image formed by convex lens is seen to be real, inverted and diminished. What is the position of the object? Question 3 The image formed by convex lens is seen to be real, inverted and highly magnified. What is the position of the object? Image … [Read more...] about Images formed by Convex Lens
Refraction Through a Glass Slab
Question 1 What is meant by lateral shift? Question 2 The refractive index of dense flint glass is 1.65 and for alcohol it is 1.36,with respect to air. What is the refractive index of the dense flint glass with respect to alcohol? Question 3 Draw a diagram showing refraction of light through a glass slab? Refraction Through a Glass Slab n21 = Sin i / Sin r n12 = Sin … [Read more...] about Refraction Through a Glass Slab
Light-Reflection
Question 1 What are luminous objects. Give example? Question 2 What are non-luminous objects. Give example? Question 3 State the laws of reflection? Question 4 What is beam of light? Question 5 Define the term reflection of light? Question 6 What is a real image? Question 7 What is a virtual image? Question 8 Write the properties of images formed by plane … [Read more...] about Light-Reflection