1999CAP 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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1999 CAP Prize Exam真题免费下载

共计3小时考试时间

此套试卷由两部分组成

25道选择题

以及3道简答题组成

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

Radius of Earth R_E=6.38× 10⁶ m

Radius of Moon R_M=1.70× 10⁶ m

Mass of Earth M_E=5.98× 10²⁴ Kg

Mass of Moon M_M=7.35× 10²² Kg

Mass of Sun M_S=1.99× 10³⁰ Kg

Radius of Moon's orbit R_EM=3.84× 10⁸ m

Radius of Earth's orbit R_ES=1.50× 10¹¹ m

Acceleration due to gravity g =9.80m/s²

Fundamental charge e =1.60× 10⁻¹⁹ C

Mass of electron m_e =9.11 × 10⁻³¹kg

Mass of proton m_p =1.673 × 10⁻²⁷kg

Mass of Neutron m_n =1.675 × 10⁻²⁷kg

Planck’s constant h = 6.63x10^-34 J·s

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

Permeability of free space μ₀ = 4π × 10⁻⁷N/A²

Speed of sound in air v_s=343m/s

Density of air ρ=1.2kg/m³

Boltzmann constant k=1.38 × 10⁻²³J/K

Absolute zero T=0 K,T=-273°C

Energy conversion 1eV=1.6 x 10^-19J

Avogadro's number N_A=6.02 × 10²³mol^-1

Part A: Multiple Choice

1)The time dependence of the acceleration of a car is as shown. Which time corresponds to the maximum speed of the car?

1. t1
2. t2
3. t3
4. t4

2)Two identical loudspeakers are supplied with identical sinusoidal signals. They are placed close to one another in a room and it is noted that there are regions of increased and decreased sound intensity in the vicinity of the speakers. Which of the following actions will not change this pattern?

1. Moving one of the speakers.
2. Changing the amplitude of the signal.
3. Changing the frequency of the signal.
4. Replacing the air in the room with Helium gas.

3)Two black objects of the same diameter, a sphere and a disc, are placed in front of a uniform beam of light. The plane of the disc is perpendicular to the light rays. The force acting upon them by the light is:

1. zero
2. bigger on the disc.
3. bigger on the sphere.
4. the same on both.

4)A 1 kg mass rests on the ground, at sea-level and at the equator. What would its weight be if the earth were spinning ten times faster than is presently the case?

1. 9.80 N
2. 3.37 N
3. 6.43 N
4. 9.76 N

5)An ideal Ammeter—a device to measure current in an electrical circuit—should have an internal resistance which is,

1. zero.
2. infinite.
3. equal to the resistance of the circuit’s load.
4. equal to the internal resistance of the circuit’s power source.

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