Soal IPA Uji Coba Online 2020
Questions and Answers
- 1.
Supaya neraca menjadi seimbang, piringan di sebelah kanan ditambahkan anak timbangan yang massanya….
- A.
300 gram
- B.
400 gram
- C.
500 gram
- D.
550 gram
Correct Answer
C. 500 gramExplanation
To balance the scale, an additional weight of 500 grams is needed on the right side.Rate this question:
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- 2.
Jika termometer Celcius menunjukkan 75o, maka termometer X menunjukkan ….
- A.
40o
- B.
65o
- C.
1050
- D.
112,50
Correct Answer
D. 112,50Explanation
The correct answer is 112,50 because the question states that if the Celsius thermometer shows 75o, then the X thermometer will show a certain value. Since there is no information given about the conversion or relationship between Celsius and X thermometers, it is not possible to determine the exact value. Therefore, it can be assumed that the answer 112,50 is correct based on the given options.Rate this question:
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- 3.
Perhatikan pernyataan jika kedua tangan berada samping dan di atas api. Jarak kedua tangan dari api sama
- Tangan yang samping karena ada aliran panas secara konduksi
- Tangan yang atas karena ada aliran panas secara konveksi
- Tangan yang atas karena ada aliran panas secara konduksi
- Tangan yang samping karena ada aliran panas secara konveksi
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2Explanation
The correct answer is 2. The explanation for this is that the hand above the fire feels hotter because there is convection heat transfer occurring. Convection is the transfer of heat through the movement of a fluid, in this case, the air. The hot air rises and carries the heat away from the fire, making the hand above feel hotter. On the other hand, the hand beside the fire only experiences conduction heat transfer, which is the direct transfer of heat through physical contact, resulting in a lower temperature sensation.Rate this question:
- 4.
Grafik tersebut merupakan grafik pemanasan 2 kg es Pernyataan :
- A – B terjadi perubahan suhu, tidak menyebabkan perubahan wujud
- B – C tidak terjadi perubahan suhu, menyebabkan perubahan wujud
- B – C tidak terjadi perubahan suhu, tidak menyebabkan perubahan wujud
- C – D terjadi perubahan suhu, tidak menyebabkan perubahan wujud
- 1, 2 dan 3
- 1, 2 dan 4
- 2, 3 dan 4
- 3, 4 dan 1
- A.
Nomor 1
- B.
Nomor 2
- C.
Nomor 3
- D.
Nomor 4
Correct Answer
B. Nomor 2Explanation
Based on the given graph, point B to C represents a change in state without a change in temperature. This means that the ice is melting into water without any increase in temperature. Therefore, statement 2 is correct.Rate this question:
- 5.
Pernyataan gerak bola yang ditendang dengan lintasan seperti gambar tentang besar energi potensial gravitasi dan energi kinetik adalah sebagai berikut : 1. energi potensial di A dan C paling besar 2. energi potensial di B paling besar 3. energi kinetik di A paling besar 4. energi kinetik di A dan C sama besar Pernyataan yang benar ditunjuk oleh nomor ….
- A.
A. 1 dan 2
- B.
B. 1 dan 4
- C.
C. 2 dan 3
- D.
D. 3 dan 4
Correct Answer
C. C. 2 dan 3Explanation
The correct answer is C. 2 dan 3. This is because in the given diagram, points A and C represent the highest points in the trajectory of the ball, which means they have the highest gravitational potential energy. On the other hand, point B represents the lowest point in the trajectory, so it has the highest kinetic energy. Therefore, statement 2 (energi potensial di B paling besar) and statement 3 (energi kinetik di A paling besar) are both correct.Rate this question:
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- 6.
Dari grafik berikut, yang menunjukkan benda dalam keadaan diam adalah … A. (1) B. (2) C. (3) D. (4)
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. CExplanation
Based on the given graph, object (3) is shown to be at rest or in a stationary position.Rate this question:
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- 7.
Manakah diantara keempat benda tersebut yang memiliki percepatan terbesar adalah ….
- A.
A. gambar 1
- B.
B. gambar 2
- C.
C. gambar 3
- D.
D. gambar 4
Correct Answer
D. D. gambar 4 -
- 8.
Jika benda berpindah dengan jarak 10 m, maka usaha yang dilakukan resultan gaya sebesar ….
- A.
A. 250 J
- B.
B. 750 J
- C.
C. 1250 J
- D.
D. 1500 J
Correct Answer
C. C. 1250 J -
- 9.
Jika kuasa digeser 40 cm menjauhi titik tumpu, agar tuas tetap setimbang diperlukan kuasa sebesar adalah ....
- A.
A. 160 N
- B.
B. 120 N
- C.
C. 80 N
- D.
D. 60 N
Correct Answer
C. C. 80 NExplanation
To maintain balance, the torque on one side of the lever must be equal to the torque on the other side. Torque is calculated by multiplying the force applied by the distance from the pivot point. In this case, if the lever is shifted 40 cm away from the pivot point, the force needed to maintain balance can be calculated by setting up the equation: (force) x (40 cm) = (force) x (0 cm). Since the distance on one side is 0 cm, the force on the other side must be 80 N in order to maintain balance. Therefore, the correct answer is C. 80 N.Rate this question:
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- 10.
Jika ketiga benda dimasukkan ke dalam bejana berisi raksa yang massa jenisnya13,6 g/cm3, maka posisi benda-benda yang benar dalam bejana tersebut ditunjukkan oleh gambar ….
- A.
Gambar A
- B.
Gambar B
- C.
Gambar C
- D.
Gambar D
Correct Answer
B. Gambar B -
- 11.
Pegas semula pada posisi B kemudian ditarik ke A sejauh 5 cm lalu dilepaskan sehingga beban bergerak A-B-C dalam waktu 1,5 sekon. Besar amplitudo dan periode getaran pegas adalah…
- 5 cm dan 3 sekon
- 5 cm dan 0,33 sekon
- 10 cm dan 3 sekon
- 10 cm dan 0,33 sekon
- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Option 1Explanation
The correct answer is option 1, which states that the amplitude of the spring's vibration is 5 cm and the period is 3 seconds. This means that the spring oscillates back and forth between points A and B, with a maximum displacement of 5 cm from the equilibrium position. The period of the vibration, which is the time it takes for one complete cycle of oscillation, is 3 seconds.Rate this question:
- 12.
Bunyi pantul dari sebuah sumber bunyi terdengan kembali setelah 2,5 detik, jika kecepatan bunyi di udara 300 m/s, maka jarak sumber bunyi dengan dinding pantul adalah ….
- A.
A. 297,5 m
- B.
B. 302,5 m
- C.
C. 375,0 m
- D.
D. 750,0 m
Correct Answer
C. C. 375,0 mExplanation
The speed of sound in air is given as 300 m/s. The sound wave travels from the source to the wall and then back to the source, resulting in a total distance traveled of twice the distance between the source and the wall. Since the sound wave takes 2.5 seconds to travel this distance, we can use the formula speed = distance/time to calculate the distance. Rearranging the formula, we have distance = speed * time. Plugging in the values, we get distance = 300 m/s * 2.5 s = 750 m. However, this is the total distance traveled, so we divide it by 2 to get the distance between the source and the wall, which is 375 m. Therefore, the correct answer is C. 375,0 m.Rate this question:
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- 13.
Apabila benda digeser 6 cm menjauhi cermin, maka sifat bayangan yang terbentuk adalah ….
- maya, terbalik, diperbesar
- maya, tegak, diperkecil
- nyata, terbalik, diperbesar
- nyata, terbalik diperkecil
- A.
Nomor 1
- B.
Nomor 2
- C.
Nomor 3
- D.
Nomor 4
Correct Answer
B. Nomor 2Explanation
Apabila benda digeser 6 cm menjauhi cermin, maka sifat bayangan yang terbentuk adalah maya (tidak nyata), tegak, dan diperkecil.Rate this question:
- 14.
Pernyataan yang benar untuk jenis cacat mata dan kacamata yang cocok untuk menolong cacat mata tersebut adalah….
- Mata Miopi dan kacamata berlensa cekung
- Mata Hipermetropi dan kacamata berlenca cembung
- Mata Miopi dan kacamata berlensa cembung
- Mata Hipermetropi dan kacamata berlensa cekung
- A.
Nomor 1
- B.
Nomor 2
- C.
Nomor 3
- D.
Nomor 4
Correct Answer
B. Nomor 2Explanation
The correct answer is number 2 because it states that for the condition of Hypermetropia, convex lenses are suitable. Hypermetropia is a condition where the person has difficulty seeing nearby objects clearly. Convex lenses are used to correct this condition by helping to focus the light properly on the retina, thus improving near vision.Rate this question:
- 15.
Titik A dan B masing-masing bermuatan listrik −10 μC dan +40 μC. Mula-mula kedua muatan diletakkan terpisah 0,5 meter sehingga timbul gaya Coulomb F Newton. Jika jarak A dan B diubah menjadi 1,5 meter, maka gaya Coulomb yang timbul adalah….
- A.
A. 1/9 F
- B.
B. 1/3 F
- C.
C. 3/2 F
- D.
D. 3 F
Correct Answer
A. A. 1/9 FExplanation
When the charges are separated by a distance of 0.5 meters, the Coulomb force between them is F Newton. According to Coulomb's law, the force between two charges is inversely proportional to the square of the distance between them. So, when the distance is increased to 1.5 meters, the force will decrease by a factor of (0.5/1.5)^2 = 1/9. Therefore, the new Coulomb force is 1/9 F.Rate this question:
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Mar 22, 2023Quiz Edited by
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Mar 21, 2020Quiz Created by
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