Asked by jeje
Henri Becquerel expected to see only weak images on the photographic plate containing the uranium salt because he thought (1 point)
A.fluorescent minerals needed direct sunlight to produce radio waves.
B.fluorescent minerals needed direct sunlight to produce X-rays.***
C.fluorescent minerals needed direct sunlight to produce microwaves.
D.fluorescent minerals needed direct sunlight to produce gamma rays.
A.fluorescent minerals needed direct sunlight to produce radio waves.
B.fluorescent minerals needed direct sunlight to produce X-rays.***
C.fluorescent minerals needed direct sunlight to produce microwaves.
D.fluorescent minerals needed direct sunlight to produce gamma rays.