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Q. In a photocell light energy is converted into
A photocell converts light energy into electrical energy.
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Q. Mercury is commonly used as a thermometric fluid rather than water because
Q. The X-ray beam coming from an X-ray tube will be
Q. Radioactive elements can be traced out in living cell through a technique called
Q. The term 'Refraction of light' means
Q. In nuclear reactors, graphite is used as a/an
Q. The critical angle of a glass slab increases with
Q. How many values an Electron spin quantum number can have?
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