tion:Crossword Puzzle Across 4. A CONVEX lens is _____ lens 6. An image which can be obtained on a screen Down 1. A concave lens is _____ lens 2. An image which cannot be obtained on a screen 3. Any polished or a shining SURFACE ACTS as a _______ 5. One of the rainbow’s coloursCrossword Puzzle Across 4. A convex lens is _____ lens 6. An image which can be obtained on a screen Down 1. A concave lens is _____ lens 2. An image which cannot be obtained on a screen 3. Any polished or a shining surface acts as a _______Crossword Puzzle Across 4. A convex lens is _____ lens 6. An image which can be obtained on a screen Down 1. A concave lens is _____ lens 2. An image which cannot be obtained on a screen 3. Any polished or a shining surface acts as a _______ 5. One of the rainbow’s coloursCrossword Puzzle Across 4. A convex lens is _____ lens 6. An image which can be obtained on a screen Down 1. A concave lens is _____ lens 2. An image which cannot be obtained on a screen 3. Any polished or a shining surface acts as a _______ 5. One of the rainbow’s COLOURS 5. One of the rainbow’s coloursCrossword Puzzle Across 4. A convex lens is _____ lens 6. An image which can be obtained on a screen Down 1. A concave lens is _____ lens 2. An image which cannot be obtained on a screen 3. Any polished or a shining surface acts as a _______ 5. One of the rainbow’s colours