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17.將雷射光射向雙狹縫,通過雙狹縫之後的兩光波,可以在遠方屏幕上疊加產生明暗相間的干涉條紋。下列有關屏幕上兩波干涉條紋的敘述,何者正確?(A)兩波谷的重疊處會是暗紋(B)兩波峰的重疊處會是亮紋(C)
問題詳情
17.將雷射光射向雙狹縫,通過雙狹縫之後的兩光波,可以在遠方屏幕上疊加產生明暗相間的干涉條紋。下列有關屏幕上兩波干涉條紋的敘述,何者正確?
(A)兩波谷的重疊處會是暗紋
(B)兩波峰的重疊處會是亮紋
(C)各亮紋具有均勻一致的亮度
(D)正中央為暗紋
參考答案
答案:B
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6. 如右圖所示,兩射線 OA 與 OB 交於 O 點,試問下列選項中哪些向量的終點會落在陰影區域內? (A) (B) (C) (D) (E)
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18.都卜勒效應是測速的方法之一。研發團隊在測試時,使靜止測速器正對遠處迎面而來的汽車發射超聲波。超聲波抵達汽車時,會發生反射再回到測速器。假設測速器發射的超聲波頻率是f0;發射的超聲波抵達汽車之時,
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Questions 196~200 refer to the following proposal, speech, and . Dear Kathryn McLay, As Verona Luxe
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102._____ of contract by a contractor can result in legal disputes, financial losses, anddamage to t
103.Building a _____ relationship with suppliers is crucial for businesses to ensure aconsistent sup
104.A fair and transparent performance appraisal system helps to boost employee _____ ,increase prod
105.The _____ to achieving customer satisfaction is to consistently meet and exceed theirexpectation
106.If I _____ in charge of this project, I would suggest we allocate more resources tomarketing to
107.People working _____ products or materials that contain lead can unknowingly swallowor breathe i
108._____ creating engaging content, social media marketing also involves monitoring andanalyzing me
109.The designer created a series of posters and flyers _____ the concert, usingeye-catching graphic
110.The company's decision to use sustainable materials in its products _____ enhance itsbrand
111.The franchise owner is _____ ensuring that all of the stores in the chain operateaccording to co
112.The company is developing a new _____ of wearables, including smartwatches andfitness trackers.(
113.I need to _____ my computer's operating system to the latest version to ensurecompatibility
114.Our company is implementing a new strategy _____ waste in production through theuse of lean manu
115.The market _____ wildly throughout the day, causing investors to panic.(A)merged(B)intensified(C
116.Our business model evolved over time to better _____ the needs of the market.(A)suitable(B)suita
117._____ the originals came along, the market had already been flooded with imitationproducts.(A)De
118.The CEO _____ to convince the investors to fund the expansion plan.(A)who failed(B)whose failure
119._____ graduating from university in 2019, Sandy landed a fully remote job handlingcustomer servi
120.Our company offers an annual _____ to ensure our employees are receiving thenecessary preventive
121.The marketing campaign was backpedaled due to negative _____ from consumers onsocial media.(A)fe
122.Busy and vibrant locations such as tourist destinations can be attractive locations forbusinesse