What was the fissionable material used in the bombs dropped at Nagasaki (Japan) in the year 1945?

Which one of the following devices is used to cool the engine of the vehicles?

The branch of Physics that deals with the motion of very small particles is called :

The size of particles being studied in 'nano-technology' is about

Liquid crystals are used in :

Match List- I with List- II and choose the correct answer from the code given below- List-I (Energy Conversion) A. Heat to electric B. Electric to sound C. Mass to heat D. Chemical to heat and light…