Ulangan Fisika X Dhsc

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| By Nadifalfarisi
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Nadifalfarisi
Community Contributor
Quizzes Created: 2 | Total Attempts: 3,134
Pertanyaan: 11 | Attempts: 1,254

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Ulangan Fisika X Dhsc - Quiz

Untuk anak siswa/siswi DHSC Kerjakan Soal Ulangan Berikut Ini !


Questions and Answers
  • 1. 

    Hasil pengukuran panjang di bawah ini yang mempunyai 3 angka penting yaitu ….

    • A.

      0,0231

    • B.

      2,7001

    • C.

      2,900

    • D.

      12,50

    • E.

      2500,0

    Correct Answer
    A. 0,0231
    Explanation
    The measurement 0.0231 has three significant figures because all non-zero digits are considered significant. The zeros at the beginning and end of the number are not significant as they only serve as placeholders.

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  • 2. 

    0,000000105 juka ditulis dalam notasi ilmiah adalah ….

    • A.

      1,05 x 10 pangkat -10

    • B.

      1,05 x 10 pangkat -9

    • C.

      1,05 x 10 pangkat -8

    • D.

      1,05 x 10 pangkat -7

    • E.

      1,05 x 10 pangkat -6

    Correct Answer
    D. 1,05 x 10 pangkat -7
    Explanation
    The given number, 0,000000105, can be written in scientific notation as 1,05 x 10^-7. This is because in scientific notation, we write a number between 1 and 10 (in this case 1,05) multiplied by a power of 10 (in this case -7). This represents the value of the number in a more compact and standardized form.

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  • 3. 

    Dari hasil suatau pengukuran didapatkan angka 25,0960 (gram) banyaknya angka penting adalah ….

    • A.

      Dua

    • B.

      Tiga

    • C.

      Empat

    • D.

      Lima

    • E.

      Enam

    Correct Answer
    E. Enam
    Explanation
    The given measurement result is 25,0960 grams. To determine the number of significant figures, we count all the digits from the leftmost non-zero digit to the rightmost non-zero digit. In this case, there are six digits, which are all non-zero. Therefore, the correct answer is "Enam" (Six).

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  • 4. 

    Pada bilangan 3,2145 yang merupakan angka taksiran adalah ….

    • A.

      3

    • B.

      2

    • C.

      1

    • D.

      4

    • E.

      5

    Correct Answer
    E. 5
    Explanation
    The given numbers represent the digits of the number 3,2145. Among these digits, the last digit is 5. Therefore, the correct answer is 5.

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  • 5. 

    Hasil pengukuran suatu benda 0,020 (m), maka jumlah angka pentingnya adalah ….

    • A.

      Satu

    • B.

      Dua

    • C.

      Tiga

    • D.

      Empat

    • E.

      Lima

    Correct Answer
    B. Dua
    Explanation
    The measurement of the object is given as 0.020 (m), which has two significant figures. The zeros before the 2 are not significant because they are leading zeros. The significant figures in a measurement include all the digits that are known with certainty plus one estimated digit. Therefore, the correct answer is "Dua" which means "Two" in English.

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  • 6. 

    Tanah Pak Yudi bebrbentuk persegi panjang, setelah diukur ternyata panjangnya 11,62 (m) dan lebarnya 8,1 (m). Maka luas tanah Pak Yudi menurut aturan penulisan angka penting dan sudah dibulatkan adalah ….

    • A.

      94,1 (m2)

    • B.

      94 (m2)

    • C.

      94,12 (m2)

    • D.

      94,122 (m2)

    • E.

      9,4122 (m2)

    Correct Answer
    B. 94 (m2)
    Explanation
    The length and width of the land are given as 11.62 m and 8.1 m respectively. To find the area, we multiply the length and width. However, according to the rule of significant figures, we should round the final answer to the least number of decimal places given in the measurements, which is 1 decimal place. Therefore, the area of Pak Yudi's land, rounded to 1 decimal place, is 94.0 m². Since the trailing zero after the decimal point is not significant, it can be dropped, resulting in 94 m².

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  • 7. 

    Suatu persegi diukur ternyata, panjangnya 12,56 (m) dan lebar 12,2 (m). Maka luas pita menurut aturan angka penting, mempunyai angka penting sebanyak ….

    • A.

      2 angka penting

    • B.

      3 angka penting

    • C.

      4 angka penting

    • D.

      5 angka penting

    • E.

      6 angka penting

    Correct Answer
    B. 3 angka penting
    Explanation
    The length of the square is given as 12,56 (m) and the width is given as 12,2 (m). According to the rules of significant figures, the number of significant figures in the area of the square can be determined by the measurement with the fewest significant figures. In this case, the width measurement has only 3 significant figures. Therefore, the area of the square will also have 3 significant figures.

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  • 8. 

    Notasi ilmiah dari 357 adalah ….

    • A.

      35,7 x 10 pangkat -3

    • B.

      3,57 x 10 pangkat -3

    • C.

      3,57 x 10 pangkat -4

    • D.

      3,57 x 10 pangkat -2

    • E.

      3,57 x 10 pangkat 2

    Correct Answer
    E. 3,57 x 10 pangkat 2
    Explanation
    The scientific notation of 357 is 3.57 x 10^2.

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  • 9. 

    Nenden memiliki pita dengan panjang 12,64 (m). Kemudian dia membeli pita dengan panjang 8,1 (m). Maka total panjang pita yang dimiliki Nenden sekarang dengan aturan angka penting dan sudah dibulatkan adalah ….

    • A.

      20, 74 (m)

    • B.

      21 (m)

    • C.

      20,7 (m)

    • D.

      20,8 (m)

    • E.

      22 (m)

    Correct Answer
    C. 20,7 (m)
    Explanation
    Nenden initially had a ribbon with a length of 12.64 m. She then bought another ribbon with a length of 8.1 m. To find the total length of the ribbons, we add the two lengths together. When we add 12.64 m and 8.1 m, we get 20.74 m. Since the question asks for the answer with significant figures and rounded, the correct answer is 20.7 m.

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  • 10. 

    Dari hasil pengukuran di dapatkan angka 0,0009 (gram). Banyaknya angka penting adalah ….

    • A.

      Satu

    • B.

      Lima

    • C.

      Dua

    • D.

      Enam

    • E.

      Tiga

    Correct Answer
    A. Satu
    Explanation
    The given measurement result is 0.0009 grams. The number of significant figures in this measurement is one. This is because leading zeros before a decimal point are not significant. Therefore, the only significant digit in the measurement is 9.

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  • 11. 

    Type response below

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 24, 2012
    Quiz Created by
    Nadifalfarisi
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