题目内容
（请给出正确答案）
In the observation of single-slit diffraction, point P on the screen is the first-order bright fringe. How to change the width of slit so that we can observe the third dark fringe at P？ From a to ______ a.
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
抱歉！暂无答案，正在努力更新中……
更多“in the observation of single-slit diffraction, point p on the screen is the first-order br”相关的问题
A、Midwest
B、West
C、East
D、Southwest
In the outsourcing purchase phase, the purchase manager shall pay attention to the following compliance management and control requirements:
A.外包PO嵌入合规语言
The outsourcing PO is embedded in the compliance clause
B.外包合同是否嵌入合规语言
Whether the compliance clause is included in outsourcing contracts
C.采购的物项在白名单中
Purchased items are in the whitelist.
A、both its speed and its acceleration increase.
B、its speed increase and its acceleration decrease.
C、both speed and acceleration decrease.
D、its speed decreases and its acceleration increase.
A、all three controls
B、the gas pedal and the brake
C、only the gas pedal
D、only the steering wheel
A、
B、
C、
D、
A、yes, always
B、no, never
C、yes, as long as their masses are equal
D、yes, if both their masses and directions of motion are the same
A、(a)
B、(a)(b)
C、(a)(b)(c)
D、(a)(b)(c)(d)
警告：系统检测到您的账号存在安全风险
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
