2001CAP Prize Exam加拿大高中物理大獎(jiǎng)賽真題免費(fèi)下載

歷年CAP High School Prize Exam加拿大高中物理大獎(jiǎng)賽

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2001 CAP Prize Exam真題免費(fèi)下載

共計(jì)3小時(shí)考試時(shí)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

Acceleration due to gravity g =9.80m/s²

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

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

Energy conversion 1eV=1.6?x 10^-19J

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

Part A: Multiple Choice

1)Three identical resistors are connected across a voltage source V so that one of them is in parallel with two others which are connected in series. The power dissipated through the first one, compared to the power dissipated by each of the other two, is approximately

1. the same
2. half as much
3. twice as much
4. four times as much

2)The diagram below shows various positions of a child in motion on a swing. Somewhere in front of the child a stationary whistle is blowing. At which position will the child hear the highest frequency for the sound of the whistle?

1. At B when moving toward A
2. At B when moving toward C
3. At C when moving toward B
4. At C when moving toward D

3)In a Young double slit experiment, green light is incident on the two slits. The interference pattern is observed on a screen. Which one of the following changes would cause the observed fringes to be more closely spaced?

1. Reducing the separation between the slits
2. Using blue light instead of green light
3. Using red light instead of green light
4. Moving the light source further away from the slits

4)A thin lens with focal length f is to be used a a magnifying glass. Which of the following statements regarding this situation is true?

1. A converging lens must be used, and the object be placed at a distance greater than 2f from the lens
2. A diverging lens must be used, and the object be placed between f and 2f from the lens
3. A converging lens must be used, and the object be placed at a distance less than f from the lens
4. A converging lens must be used, and the object be placed at any point other than the focal point

5)The figure shows the path of a ray of light as it passes through three different materials with refractive indices n1, n2 and n3. The figure is drawn to scale. What can we conclude concerning the indices of these three materials?

1. n3<n2<n1
2. n3<n1<n2
3. n2<n1<n3
4. n1<n3<n2

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