PHY 122
Applied Physics
Chapter 7 : Light
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Short Questions
Questions: 1 to 17
1- Describe laws of reflection? 2- Describe laws of refraction? 3- What are the characteristics of the image formed by a plane mirror? 4- Define Principal focus and focal length of a concave mirror. 5- Draw ray diagram to show the image of an object placed in between F and C of a concave mirror. 6- Differentiate between real and virtual images. 7- Define focal length of a convex lens. 8- Define power of the lens. Write its unit. 9- An object is in between F and 2F of a convex lens. Draw its ray diagram and describe the nature of the image. 10- Define least distance of distinct vision. 11- Define interference of light. 12- Describe constructive and destructive interference of light. 13- Write conditions for the interference of light. 14- Define diffraction of light. 15- Describe two applications of polarized light. 16- Describe use of sextant. 17- Describe wave nature of light.
26/05/2025 Completed...
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INSTRUCTOR
MUHAMMAD BIN JAMEEL
BSC ENGG. CIVIL