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CBSE Notes 2011-2012 » VIII-Science

Light

In air all colours propagate

Multiple choice question

In air all colours propagate

The phenomenon of dispersion is not visible in a

Multiple choice question

The phenomenon of dispersion is not visible in a

If the refractive index is more then optical density is

Multiple choice question

If the refractive index is more then optical density is

On refraction through a parallel faced glass slab the emergent ray is

Multiple choice question

On refraction through a parallel faced glass slab the emergent ray is

When a ray of light propagating (in a straight line) in one transparent medium enter another transpa...

Multiple choice question

When a ray of light propagating (in a straight line) in one transparent medium enter another transparent medium.

If lower half of a convex lens is painted black then

Multiple choice question

If lower half of a convex lens is painted black then

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