1b Introduction to Physics II

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Question 1 of 10

1. Question
1 point(s)
PHY10102010
Complete the following unit conversion:

12 ms⁻¹ = ___ kmh⁻¹
- 43.2
- 4.32
- 0.012
- 0.12
Correct

Incorrect
Question 2 of 10

2. Question
1 point(s)
PHY10102020
Which of the following sets of prefixes are arranged in descending order?
- mili, centi, micro
- mega, micro, gega
- kilo, mili, centi
- kilo, mili, nano
Correct

Incorrect
Question 3 of 10

3. Question
1 point(s)
PHY10102030
Complete the following unit conversion.

12.3 MHz = _________ Hz
- 12,300,000
- 1,230,000
- 123,000
- 1,230
Correct

Incorrect
Question 4 of 10

4. Question
1 point(s)
PHY10102040
Which of the following unit conversions is not correct?
- 230 Ms = 2.3 x 10⁸ s
- 360 ms = 3.6 x 10⁻¹ s
- 0.0013s = 1.3 ms
- 2.34 x 10⁵ s = 23.4 ks
Correct

Incorrect
Question 5 of 10

5. Question
1 point(s)
PHY10102050
Which of the following unit conversions is correct?
- 2.5 m² = 250 cm²
- 5.6 m³ = 560 cm³
- 4500 cm² = 45 m²
- 2.5 x 10⁷ cm³ = 25 m³
Correct

Incorrect
Question 6 of 10

6. Question
1 point(s)
PHY10102060
The dimension of a cuboids is 10cm, 20cm and 20cm. The total surface area of the cuboids is
- 1600 m²
- 16 m²
- 1.6 m²
- 0.16 m²
Correct

Incorrect
Question 7 of 10

7. Question
1 point(s)
PHY10102070

The diagram shows a graph of displacement, s, against time, t. for the motion of a toy car. Which of the following equation represent the graph?
Correct

Incorrect
Question 8 of 10

8. Question
1 point(s)
PHY10102080

The diagram above shows a graph of displacement against time. Find the gradient of the graph.
- 0.75 m/s
- 0.25 m/s
- 0.5 m/s
- 1.3 m/s
Correct

Incorrect
Question 9 of 10

9. Question
1 point(s)
PHY10102090
The resistance of a wire (R) is inversely proportional to its cross-sectional surface (A). Which of the following graph is correct about the relationship between R and A?
Correct

Incorrect
Question 10 of 10

10. Question
1 point(s)
PHY10102100
The resistance of a wire (R) is directly proportional to its length (l). Which of the following graph is correct about the relationship between R and l?
Correct

Incorrect