Which British scientist is known for developing the principle of holography in 1947 to improve the resolution of the electron microscope?
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Correct answer: C
Explanation
The correct answer is option 3 i.e. Dennis Gabor.
The British scientist known for developing the principle of holography in 1947 to improve the resolution of the electron microscope is Dennis Gabor. His work on holography, which involves recording and reconstructing light waves to create three-dimensional images, significantly advanced optical microscopy. Gabor's innovative approach provided a method to enhance the resolution of electron microscopes, leading to clearer and more detailed observations of microscopic structures. His contributions to holography earned him the Nobel Prize in Physics in 1971.