introduction to reflection of light
Ques 24
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terms related to lenses
Ques 17
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technical terms related to lens
Ques 17
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the mirror formula
Ques 19
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kaleidoscope
Ques 19
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right or left
Ques 20
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regular and irregular reflection
Ques 20
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lateral inversion
Ques 20
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nature and sources of light
Ques 21
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beam of light
Ques 23
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