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基本物理量

Authored by Kai Xie

Physics

10th Grade

Used 6+ times

基本物理量
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者不是基本物理量?

長度

質量

面積

時間

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者是導出量?

電壓

電流

光強度

物質的量

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(甲)時間 (乙)溫度 (丙)速度 (丁)加速度 (戊)電阻 (己)光亮度 (庚)電流,以上物理量中,有幾項是基本物理量?

3

4

5

6

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

已知質量因次為M,長度因次為L,時間因次為T,則加速度因次為何?

MT2MT^2

LT2LT^2

MT2MT^{-2}

LT2LT^{-2}

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

已知質量因次為M,長度因次為L,時間因次為T,則能量因次為何?

MLTMLT^{ }

MLT2MLT^{-2}

ML2T2ML^2T^{-2}

ML2TML^2T

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

宇宙年齡約138億年,但可觀測宇宙約高達465億光年,則以你為中心,向前望去,最遠約可達多少公里?(光速= 3×105 kms3\times10^5\ \frac{km}{s}  )

101210^{12}

101410^{14}

101610^{16}

101810^{18}

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

已知光速為 3×108 ms3\times10^8\ \frac{m}{s}  ,若紅光的波長約為7000埃,則紅光頻率約為多少赫茲?


 10610^6  

 101010^{10}  

 101510^{15}  

 101910^{19}  

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