1999CAP Prize Exam加拿大高中物理大獎賽真題免費下載

歷年CAP High School Prize Exam加拿大高中物理大獎賽

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1999 CAP Prize Exam真題免費下載

共計3小時考試時間

此套試卷由兩部分組成

25道選擇題

以及3道簡答題組成

每道大題含有不同數(shù)量的小題

完整版下載鏈接見文末

部分真題預(yù)覽：

Data:

Speed of light c =3.00 × 10⁸m/s

Gravitational constant G =6.67 × 10^?11N · m²kg²

Radius of Earth R_E=6.38× 10^6?m

Radius of Moon R_M=1.70× 10^6?m

Mass of Earth M_E=5.98× 10^24?Kg

Mass of Moon M_M=7.35× 10^22?Kg

Mass of Sun M_S=1.99× 10^30?Kg

Radius of Moon's orbit R_EM=3.84× 10^8?m

Radius of Earth's orbit R_ES=1.50× 10^11?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?μ_0?= 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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