A) Transparent: Polythene, Coconut oil, Water, Groundnut oil Translucent: Ground-glass, Tracing paper, Oiled paper Opaque: Brick wall. Stone, Book, Metal sheet, Cardboard
B) Transparent: Coconut oil, Ground- glass. Tracing paper. Oiled paper Translucent: Brick wall, Stone, Book, Metal sheet, Opaque: Polythene, Cardboard, Water, Groundnut oil
C) Transparent: Brick wall. Ground-glass, Tracing paper. Groundnut oil Translucent: Coconut oil. Stone, Book, Metal sheet Opaque: Polythene, Cardboard, Water, Oile paper
D) Transparent: Coconut oil, Groundnut oil. Tracing paper, Oiled paper Translucent: Brick wall. Stone, Book, Cardboard Opaque: Polythene, Metal sheet, Water, Ground-glass
E) None of these
Correct Answer: A
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