A microwave generator generates waves with a wavelenth of 3 cmWhich of the following is most likely to cause maximum spreading of the microwaves?Aan open doorwayBclosed aluminum window blinds with one slat missingCthe eye of a needleDthe space between two sky-scrapersUltraviolet light shines upon a sheet of zinc metal, and photoelectrons are emittedIf the intensity of the light is increased,Aelectrons will have less energy.Bthe electrons will have more energy.Cmore electrons will be emitted.Dfewer electrons will be emitted.Which of the following does not demonstrate the wave nature of matter?Athe cloud model of the atomBthe two slit interference patternCand electron in motion in a conducting wireDelectron diffraction
1 Bclosed aluminum window blinds with one slat missing 2Cmore electrons will be emitted3Cand electron in motion in a conducting wire
