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In which of the following processes is energy released ?
In which of these transistors, the two segments of n-type semiconductor are separated by a segment of p-type semiconductor?
In which one among the following is the speed of sound maximum ?
In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
In which year, Sir Chandrasekhara Venkata Raman was awarded Nobel Prize for Raman effect?
Increased wind speed is accompanied by a reduced air _
Indicate the false statement about the resistance of a wire
Indicate the true arrangement for electromagnetic radiation in order of their increasing wavelength
Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is mercury used in the manufacture of these lamps?
Infrasonic sound has a frequency lower than
