William Crookes in 1879 demonstrated thatcathode rays travel in straight lines. He placed an opaque object like metal cross in the path ofcathode rays in a discharge tube. It was observed that a sharp shadow of the cross was cast on the glass behind the cross.
William Crookes in 1879 demonstrated that cathode rays travel in straight lines. He placed an opaque object like metal cross in the path of cathode rays in a discharge tube. It was observed that a sharp shadow of the cross was cast on the glass behind the cross.
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Answer:
William Crookes in 1879 demonstrated thatcathode rays travel in straight lines. He placed an opaque object like metal cross in the path ofcathode rays in a discharge tube. It was observed that a sharp shadow of the cross was cast on the glass behind the cross.
Explanation:
William Crookes in 1879 demonstrated that cathode rays travel in straight lines. He placed an opaque object like metal cross in the path of cathode rays in a discharge tube. It was observed that a sharp shadow of the cross was cast on the glass behind the cross.