Class 7 Science Online Tests
Refractive Index MCQ (Multiple Choice Questions) PDF Download
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Refractive Index MCQs: Questions and Answers PDF Download
The refractive index of water is
- 0.33
- 0.5
- 1.5
- 1.33
Each pair of objects is identified by
- refractive index
- nature
- type
- shape
More dense the object
- less the light refracts
- less the light reflects
- more the light refracts
- more the light reflects
'Refractive index' is equal to
- speed of light in material /speed of light in vacuum
- speed of light in material/speed of light in air
- speed of light in vacuum/speed of light in material
- speed of light in vacuum/speed of light in air
Light bends in all materials at
- same angle
- different angles
- nearly same angles
- opposite angles
Class 7 Science Practice Tests
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