2007CAP Prize Exam加拿大高中物理大奖赛真题免费下载

历年CAP High School Prize Exam加拿大高中物理大奖赛

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2007 CAP Prize Exam真题免费下载

共计3小时考试时间

此套试卷由三部分组成

20道选择题

5道带绘图简答题

以及3道开放性简答题组成

每道大题含有不同数量的小题

完整版下载链接见文末

部分真题预览：

Data:

Speed of light c =3.00 × 10⁸m/s

Gravitational constant G =6.67 × 10⁻¹¹N · m²kg²

Acceleration due to gravity g =9.80m/s²

Density of fresh water ρ =1.00 × 10³kg/m³

Specific heat capacity for water c = 4.19x10³J/(kg·K)

The Normal atmospheric pressure P0 =1.01 × 10⁵Pa

Fundamental charge e =1.60× 10⁻¹⁹ C

Mass of electron me =9.11 × 10⁻³¹kg

Mass of proton mp =1.67 × 10⁻²⁷kg

Planck’s constant h = 6.63x10^-34 J·s

Coulomb’s constant 1/(4πε0) = 8.99x10⁹ N·m²/C²

Boltzmann constant k = 1.38x10^-23 J/K

Part A: Multiple Choice

1)A book is placed on a chair. Then a videocassette is placed on the book. The floor exerts a normal force:

1. on all three;
2. only on the book;
3. only on the chair;
4. upwards on the chair and downwards on the book.

2)The figure shows two point sources (A and B) of coherent mechanical waves of the same wavelength. Source B emits waves that are +π radians out of phase with the waves from source A. Source A is 3λ distant from P and source B is 5λ distant from P (λ is the wavelength).

The phase difference between the waves arriving at P from A and B is

1. 0 rad
2. π/2rad
3. 2π rad
4. 3π rad
5. 4π rad

3)What is the potential difference VB– VA in the circuit segment below if the current I = 1.5 A?

1. +22 V
2. –22V
3. –38V
4. +38V
5. +2.0V

4)The graph on the right shows a velocity versus time graph for a ball. Which explanation best fits the motion of the ball as shown by the graph?

1. The ball falls, is caught, and is thrown down with a greater velocity.
2. The ball rises, hits the ceiling, and falls down.
3. The ball falls, hits the floor, and bounces up.
4. The ball rises, is caught, and then is thrown down.

5)A light bulb A is rated at 60 W and a light bulb B is rated at 100 W. Both are designed to operate at 110 V. Which statement is correct?

1. The 60 W bulb has a greater resistance and greater current than the 100 W bulb.
2. The 60 W bulb has a greater resistance and smaller current than the 100 W bulb.
3. The 60 W bulb has a smaller resistance and smaller current than the 100 W bulb.
4. The 60 W bulb has a smaller resistance and greater current than the 100 W bulb.
5. We need to know the resistivities of the filaments to answer this question.

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