Question

What did William Bragg invent?
a) Electric bulb
b) X-ray spectrometer
c) Cyclotron
d) Coincidence method

Answer 1

x ray spectrometer was invent

Answer 2

___heya mate ___



☆☆here is your answer ☆☆


option (b) is right X-ray spectrometer



hope the answer will help you!!