Waves: Units
Bayani Gaba-gaba
Waves carry energy from place to place, whether they are ripples on a pond, sound vibrations in the air, or light crossing the vacuum of space. Describing them precisely requires five units that connect frequency, wavelength, speed, time period, and angle.
This reference covers the units the Edexcel specification lists for the Waves section: hertz, metre, metre per second, second, and degree. You will see how each unit fits into the wave equation and practise switching between them.
Manufura
- Use the following units: degree, hertz (Hz), metre (m), metre/second (m/s) and second (s)
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Waves: Units. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- What is the SI unit of frequency? A) m/s B) Hz C) s D) m Answer: B
- A wave has a period of 0.01 s. What is its frequency? A) 0.01 Hz B) 10 Hz C) 100 Hz D) 1000 Hz Answer: C
- Angles of incidence and refraction are measured in: A) radians B) hertz C) metres D) degrees Answer: D
- Which equation correctly links wave speed, frequency and wavelength? A) v = f / lambda B) v = f x lambda C) v = lambda / f D) v = f + lambda Answer: B
- One hertz is equivalent to: A) one metre per second B) one cycle per second C) one second per cycle D) one degree per second Answer: B
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
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