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Punjab Board > 9th > Physics (Total Videos: 48)
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Chapter 9: Optics (7 videos)

9.1: Laws of refraction
1. Verify laws of refraction of light by using glass slab
 
9.2: Refractive index of water
1. Find refractive index of water by concave mirror
 
9.3: Optical properties of glass prism
1. Determine critical angle of glass using prism
2. Trace path of light through prism & measure deviation angle done
 
9.4: Focal length of lens
1. Find focal length of convex lens by parallax method
 
9.5: Optical instruments
1. To set up a microscope
2. To set up a telescope
 

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