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प्रश्न
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the figure. Which of the following could be inside the box?
विकल्प
A rectangular glass slab
A convex lens
A concave lens
A prism
MCQ
उत्तर
A rectangular glass slab
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
