问答题

以下哪些现象反映了光具有粒子性？
A、黑体辐射
B、光电效应
C、康普顿效应
D、光的干涉
E、光的衍射
F、光的偏振
G、直线传播

答案： ABC

你可能感兴趣的试题

14.In the process of establishing cost advantage, enterprises cannot only choose strategies from the perspective of reducing their own costs. More importantly, they cannot ignore the needs of target customers, and must start from the value demands of target customers.

答案：正确

已知Sid商店，Pid商品编号，Cid商品名称，Did经营部，Mgr经营部经理，Scale经营部规模。下列属于3NF的关系模式是（）。
A、R(Sid，Pid，Cid，Did，Mgr，Scale)
B、R(Sid，Pid，Did)
C、R(Sid，Pid，Cid，Did )
D、R(Sid，Pid，Did，Scale)

答案： B