Quiz Soal Un Fisika

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| By Umar Yusuf
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Umar Yusuf
Community Contributor
Quizzes Created: 2 | Total Attempts: 33,261
Questions: 20 | Attempts: 3,460

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Quiz Soal Un Fisika - Quiz

Questions and Answers
  • 1. 

    Perhatikan tabel berikut!Besaran turunan, satuan dalam SI dengan alat ukur yang benar ditunjukkan oleh .... 

    • A.

      (1), (2), dan (3)

    • B.

      (2), (3), dan (4)

    • C.

      (3), (4), dan (1)

    • D.

      (4), (2), dan (1)

    Correct Answer
    D. (4), (2), dan (1)
    Explanation
    The correct answer is (4), (2), dan (1). This is because the question asks for the correct order of the derived quantities, SI units, and appropriate measuring instruments. The correct order is to first determine the derived quantities, then assign the appropriate SI units to those quantities, and finally use the correct measuring instruments to measure those quantities.

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  • 2. 

    Perhatikan gambar!Disediakan sebuah gelas ukur kosong, kemudian  dituangkan  segelas  air  ke  dalam  gelas  ukur  itu. Selanjutnya,  sebuah  batu  dimasukkan  ke dalamnya sehingga tampak  seperti  pada gambar .Dalam  rangkaian  peristiwa  tersebut  dapat disimpulkan  zat  P,  zat  Q,  dan  zat  R  masing-masing …PilihanZat (P)    Zat (Q) Zat (R)   BentukVolumeBentukVolumeBentukVolumeA.tetaptetapberubahtetapberubahberubahB.berubahberubahtetapberubahtetaptetapC.berubahberubahberubahtetaptetaptetapD.tetaptetaptetapberubahberubahberubah

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
    Explanation
    The correct answer is C. In the given sequence of events, the shape of zat P remains unchanged, indicating that it is a solid. The shape of zat Q changes, suggesting that it is a liquid. The shape of zat R remains unchanged, indicating that it is also a solid. However, the volume of zat R remains constant, suggesting that it is incompressible.

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  • 3. 

    Ibu  mencampur  2  kg  air  yang  suhunya  100ºC  dengan  5  kg  air  yang  suhunya  30ºC. Berapa suhu akhir campuran?

    • A.

      75ºC

    • B.

      50ºC

    • C.

      45ºC

    • D.

      30ºC

    Correct Answer
    B. 50ºC
    Explanation
    The given question describes a situation where a person mixes 2 kg of water at 100ºC with 5 kg of water at 30ºC. To find the final temperature of the mixture, we can use the principle of conservation of energy. The heat lost by the hot water is equal to the heat gained by the cold water. By applying the formula for heat transfer, we can calculate that the final temperature of the mixture is 50ºC.

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  • 4. 

    Perhatikan gambar di samping!Peristiwa  sehari-hari  yang  terjadi  berdasarkan  konsep  hukum  III  Newton  ditunjukkan oleh gambar . . . .

    • A.

      1 dan 2

    • B.

      1 dan 3

    • C.

      2 dan 3

    • D.

      2 dan 4

    Correct Answer
    D. 2 dan 4
  • 5. 

    Perhatikan gambar di samping!Sebuah mobil melaju kencang di jalan raya dan menyalib/mendahului  mobil lain yang ada di  sebelahnya. Jika kecepatan mobil tersebut 144 km/jam dan massanya 1.500 kg. Energi kinetik yang dimiliki mobil tersebut adalah....

    • A.

      30 kJ

    • B.

      60 kJ

    • C.

      1.200 kJ

    • D.

      12.000 kJ

    Correct Answer
    D. 12.000 kJ
    Explanation
    The correct answer is 12.000 kJ. The kinetic energy of an object can be calculated using the formula KE = 1/2mv^2, where m is the mass of the object and v is its velocity. In this case, the mass of the car is given as 1,500 kg and its velocity is 144 km/h. To convert the velocity to m/s, we divide it by 3.6 (1 km/h = 1/3.6 m/s). Plugging in the values into the formula, we get KE = 1/2 * 1500 * (144/3.6)^2 = 1/2 * 1500 * 40^2 = 12,000 kJ.

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  • 6. 

    Perhatikan gambar di samping!Kelompok  pesawat  sederhana  yang  sejenis  dari  alat-alat  seperti  tampak  pada  gambar tersebut, ditunjukkan pada gambar nomor ....

    • A.

      1 dan 2

    • B.

      2 dan 3

    • C.

      3 dan 4

    • D.

      4 dan 1

    Correct Answer
    A. 1 dan 2
  • 7. 

    Perhatikan gambar di samping!Agar kedua pengisap seimbang, maka besar F2 adalah . . . .

    • A.

      20 N

    • B.

      40 N

    • C.

      60 N

    • D.

      100 N

    Correct Answer
    D. 100 N
    Explanation
    Based on the given picture, there are two suction cups attached to a surface. In order for them to be balanced, the force exerted by the second suction cup (F2) must be equal to the force exerted by the first suction cup (F1). Since the force exerted by the first suction cup is 100 N, the correct answer is 100 N.

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  • 8. 

    Gambar  berikut  ini  menunjukkan  grafik  simpangan  terhadap  waktu  suatu  gelombang pada tali. Dari data yang tampak pada grafik tersebut,  disimpulkan bahwa .....   Amplitudo gelombangPeriode gelombangPanjang gelombangA.  2 cm0,2 s 36 cmB. 4 cm0,4 s 32 cmC. 8 cm0,6 s 28 cmD. 12 cm0,8 s 24 cm

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
    Explanation
    From the given graph, we can observe that the amplitude of the wave is 4 cm, the period of the wave is 0.4 s, and the wavelength of the wave is 32 cm. Therefore, the correct answer is B.

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  • 9. 

    Perhatikan gambar di bawah!Jika bandul C diayun, maka bandul yang turut berayun adalah....

    • A.

      A dan E, karena frekuensinya sama

    • B.

      A dan B, berat bebanya sama besar

    • C.

      B dan D, panjang tali penggantungnya sama

    • D.

      D dan E, keduanya berdekatan

    Correct Answer
    A. A dan E, karena frekuensinya sama
    Explanation
    The correct answer is A and E, because when pendulum C swings, pendulums A and E will also swing due to the same frequency.

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  • 10. 

    Benda terletak di depan lensa dan bayangannya tampak seperti gambar!Jarak fokus lensa berdasarkan data pada gambar tersebut adalah ….

    • A.

      80 cm

    • B.

      40 cm

    • C.

      30 cm

    • D.

      15 cm

    Correct Answer
    D. 15 cm
    Explanation
    Based on the given information, the object is located in front of the lens and its image appears as a picture. The distance between the object and the lens is known as the focal length. Since the image is formed at a distance of 15 cm, it indicates that the focal length of the lens is also 15 cm.

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  • 11. 

    Kaca  digosok  dengan  kain  sutera.  Setelah  penggosokan  berulang-ulang,  kaca memperoleh muatan listrik ....

    • A.

      Negatif, karena kaca menerima elektron dari sutera

    • B.

      Negatif, karena kaca melepaskan elektron ke sutera

    • C.

      Positif, karena kaca melepaskan elektron ke sutera

    • D.

      Positif, karena kaca menerima proton dari sutera

    Correct Answer
    C. Positif, karena kaca melepaskan elektron ke sutera
    Explanation
    Kaca memperoleh muatan listrik positif karena melepaskan elektron ke sutera.

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  • 12. 

    Perhatikan rangkaian listrik berikut!Berdasarkan data pada gambar, kuat arus listrik I1 adalah .... 

    • A.

      9 A

    • B.

      7,5 A

    • C.

      5,5 A

    • D.

      4,5 A

    Correct Answer
    C. 5,5 A
    Explanation
    Based on the given circuit diagram, the current flowing through the resistor R1 is equal to the current flowing through the parallel combination of resistors R2 and R3. Since R2 and R3 have the same resistance value, the current through each of them will be equal. Therefore, the total current I1 can be calculated by adding the currents through R1, R2, and R3. Since the current through R1 is 4.5 A and the current through R2 and R3 is 5.5 A each, the total current I1 is 4.5 A + 5.5 A + 5.5 A = 15.5 A.

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  • 13. 

    Lampu pijar dihubungkan pada jaringan listrik PLN dengan tegangan 220V. Jika kuat arus listrik yang mengalir pada lampu 500mA, energi yang diperlukan lampu untuk menyala selama 10 menit adalah....

    • A.

      13200J

    • B.

      66000J

    • C.

      110000J

    • D.

      660000J

    Correct Answer
    B. 66000J
    Explanation
    The energy consumed by an electrical device can be calculated using the formula: Energy (in Joules) = Power (in Watts) x Time (in seconds). In this case, the power of the lamp can be calculated using the formula: Power (in Watts) = Voltage (in Volts) x Current (in Amperes). Given that the voltage is 220V and the current is 500mA (or 0.5A), we can calculate the power as 220V x 0.5A = 110W. Since the time is given as 10 minutes (or 600 seconds), we can calculate the energy as 110W x 600s = 66000J. Therefore, the correct answer is 66000J.

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  • 14. 

    Balok besi KL dan MN didekatkan pada batang magnet seperti   gambar.Ujung  K-L-M-N  secara  berturutan  menjadi  kutub magnet ....

    • A.

      U-S-U-S

    • B.

      S-U-S-U

    • C.

      U-S-S-U

    • D.

      S-U-U-S

    Correct Answer
    A. U-S-U-S
    Explanation
    The correct answer is U-S-U-S because when the iron bar KL and MN are brought near a magnet, the ends K and N become opposite poles of the magnet, while the ends L and M become the same poles. Therefore, the correct sequence of poles from K to N is U-S-U-S.

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  • 15. 

    Lampu sepeda  yang dihidupkan dengan menggunakan dinamo, menyala  makin terang ketika sepeda berjalan makin cepat karena ....

    • A.

      Medan magnet yang timbul makin besar

    • B.

      Perubahan jumlah garis gaya magnet dalam kumparan makin cepat

    • C.

      Jumlah garis gaya magnet yang memotong kumparan makin besar

    • D.

      Inti besi pada kumparan memperbesar medan magnet

    Correct Answer
    B. Perubahan jumlah garis gaya magnet dalam kumparan makin cepat
    Explanation
    The correct answer is "perubahan jumlah garis gaya magnet dalam kumparan makin cepat" because when the bicycle moves faster, the dynamo spins faster, causing a greater rate of change in the magnetic field lines passing through the coil. This induces a larger current in the coil, resulting in a brighter light from the bicycle lamp.

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  • 16. 

    Perhatikan posisi matahari (M), bumi (B) dan bulan (b) berikut ini.Posisi bulan yang menyebabkan pasang naik maksimum air laut terjadi pada nomor...

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    A. 1
    Explanation
    The position of the moon that causes the highest tidal wave is when the moon is directly opposite the sun, which is known as the full moon. This is because the gravitational pull of the moon and the sun align and create a stronger force on the Earth's oceans, causing the high tide to be at its highest point. In option 1, the moon is directly opposite the sun, indicating a full moon position, making it the correct answer.

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  • 17. 

    Perhatikan tabel  beberapa zat padat  dl bawah  ini!

    • A.

      Option 1

    • B.

      Option 2

    • C.

      Option 3

    • D.

      Option 4

    Correct Answer
    B. Option 2
  • 18. 

     Perhatikan data berikut ini :1.  KOH2.  NaCl3.  HNO34.   KNO35.  HClYang merupakan senyawa asam adalah nomor ….

    • A.

      1 dan 3

    • B.

      2 dan 5

    • C.

      3 dan 4

    • D.

      3 dan 5

    Correct Answer
    D. 3 dan 5
    Explanation
    The correct answer is 3 and 5. This is because HNO3 (nitric acid) and HCl (hydrochloric acid) are both strong acids, while the other compounds listed (KOH, NaCl, and KNO3) are not acids.

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  • 19. 

     Adi mengamati suatu fenomena bahwa besi dapat ditarik oleh gaya magnet. Dia juga menjumpai  fakta  besi  juga  dapat  berkarat  bila  bereaksi  dengan  oksigen  yang  ada  di udara. Kesimpulan tentang sifat besi tersebut adalah ... .

    • A.

      Besi dapat ditarik magnet adalah sifat kimia, besi berkarat adalah sifat fisika.

    • B.

      Besi dapat ditarik magnet adalah sifat fisika, besi berkarat adalah sifat kimia.

    • C.

      Besi dapat ditarik magnet adalah sifat fisika, besi berkarat adalah sifat fisika.

    • D.

      Besi dapat ditarik magnet adalah sifat kimia, besi berkarat adalah sifat kimia

    Correct Answer
    B. Besi dapat ditarik magnet adalah sifat fisika, besi berkarat adalah sifat kimia.
    Explanation
    The correct answer is "Besi dapat ditarik magnet adalah sifat fisika, besi berkarat adalah sifat kimia." This is because the ability of iron to be attracted by a magnet is a physical property, as it is related to the magnetic properties of the material. On the other hand, the rusting of iron when it reacts with oxygen in the air is a chemical property, as it involves a chemical reaction between iron and oxygen.

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  • 20. 

     Budi  mereaksikan  karbit  dengan  air,  dan  merasakan  terjadinya  kenaikan  suhu  pada dinding gelas tempat reaksi dilakukan. Besar kenaikan suhu diukur dengan termometer. Yang dapat disimpulkan dari hal tersebut adalah ... 

    • A.

      Terjadi perubahan kimia yang endoterm

    • B.

      Terjadi perubahan kimia yang eksoterm

    • C.

      Terjadi perubahan fisika yang endoterm

    • D.

      Terjadi perubahan fisika yang eksoterm

    Correct Answer
    B. Terjadi perubahan kimia yang eksoterm
    Explanation
    From the given information, Budi witnessed a reaction between carbide and water and felt an increase in temperature on the glass walls of the reaction vessel. This suggests that there was a release of heat during the reaction, indicating an exothermic chemical change.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 28, 2016
    Quiz Created by
    Umar Yusuf
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