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Fill in the Blanks 1. Light shows the phenomena of reflection, refraction and ………. . 2. The speed of light in vacuum is ………. . 3. Power of’ a lens is the ………. of its focal length. 4. The SI unit of power is ………. .

Light Reflection and Refraction

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01/12/2020 5:02 pm

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Tulika pia

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Fill in the Blanks

1. Light shows the phenomena of reflection, refraction and ………. .

2. The speed of light in vacuum is ………. .

3. Power of’ a lens is the ………. of its focal length.

4. The SI unit of power is ………. .

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01/12/2020 5:04 pm

Kinjal ray

(@kinjal-ray)

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1. dispersion

2. 3 x 10⁸ m/s

3. reciprocal

4. dioptre

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