Related InterviewSolutions

• Fill in the blanks 1. The spherical mirror used in a beauty parlour as make - up mirror is …………2. Geometric centre of the spherical mirror is ………3. Nature of the images formed by a convex mirror is ………4. The mirror used by the ophthalmologist to examine the eye is ………5. It the angle of incidence is 45° , then the angle of reflection is ………6. Two mirrors are parallel to each other, then the number of images formed is ………
• The refractive index of water is - (a) 1.0 (b) 1.33 (c) 1.44 (d) 1.52
• Which is optically denser out of the two medium M1= 1.71 (refractive index) and M2 = 1.36 (refractive index). How does speed of light change when it travels from optically rarer to denser medium.
• State the Snell’s law of refraction.
• The refractive index of water is 1.33 and kerosene is 1.44. Calculate the refractive index of kerosene with respect to water.
• Describe the name of the different position of the object, image, nature and size of the image and its uses.
• It was observed that when the distance between an object and a lens decreases, the size of the image increases. What is the nature of this lens? If you keep on decreasing the distance between the object and the lens, will you still able to obtain the image on the screen? Explain.
• Read the following statements and choose the correct option. (A) Shadows are formed due to rectilinear propagation of lght. (B) When the position of the earth is between sun and moon, lunar eclipse is formed.A. Only A is trueB. Only B is trueC. Both A and B are trueD. Both A and B are false
• Law Of Rectilinear Propagation Of LightA. it passes through the atmosphere.B. its wavelength is very small.C. its velocity is very large.D. it is a form of energy.
• Describe the name of the different position of the object, image, nature and size of the image and its applications.