Class 7 Science e-Book's MCQs - Complete
Light and Lenses MCQs App Free Download & e-Book - 257
Apps:
MCQ:
Names of the types of lenses are
- convex and biconvex
- concave and biconcave
- biconvex and biconcave
- convex and concave
d
Class 7 Science App & e-Book Tests PDF Download
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7th Grade Science MCQs eBook Download
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