question_answer 15)

What is the de Broglie wavelength of (a) a bullet of mass 0.040 kg travelling at the speed of 1.0 km/s, (b) a ball of mass 0.060 kg moving at a speed of 1.0 m/s, and (c) a dust particle of mass drifting with a speed of 2.2 m/s ?  

Answer:

(a) Here, m = 0-040 kg and v = 1-0 km/s =1000 m/s (b) Here, m = 0-060 kg and  m/s (c) Here, and