Скачать или смотреть ICSE | CLASS 10 PHYSICS | CHAPTER 4 REFRACTION OF LIGHT | MCQs questions numerical important

We discuss numericals related to refracted index and real/apparent depth from Chapter 4 of ICSE Class 10 Refraction (Plane surfaces) chapter.

Q1. The refractive index of glass is 1.5 when the ray of light travels from air to glass. Calculate the refractive index when light travels from glass to air.....
Q2. The refractive index of a material is 1.20. If the velocity of light in vacuum is 3 * 10^8 m/s. Find the velocity of light in the material.
Q3. A glass block 3cm thick is placed over a newspaper. Calculate the height through which the image of the newspaper is raised if refractive index of the glass slab is 1.5....
Q4. A stone is placed at the bottom of a water tank appears to be raised by 80cm. If refractive index of water is 4/3, find the actual depth of stone from the free water surface.


TIMESTAMP
00:00 Q1
03:58 Formula of Refractive Index
06:58 Q2
08:35 Q3
11:50 Q4

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