Free Printable SHPSIC2 ENDTERM EXAMINATION

1.

Do you commit in answering the exam with the best of your abilities?

Do you promise to not consider or think of cheating while having the exam?

Do you solemnly affirm that the answers to be given by you shall be the truth, the whole truth, and nothing but the truth?

a)

I do.

b)

I do not.

2.

An object that has an exact balance between electrons and protons is said to be neutral.

a)

TRUE

b)

FALSE

3.

Conductors are materials without free charged particles and through which charge does not easily flow.

a)

TRUE

b)

FALSE

4.

The Reflected and refracted rays are in the same plane as the incident ray and the normal.

a)

TRUE

b)

FALSE

5.

The absolute refractive index is always less than 1.

a)

TRUE

b)

FALSE

6.

The critical angle is equal to the angle of incidence when the angle of refraction is less than 90 degrees.

a)

TRUE

b)

FALSE

7.

The frequency, wavelength, and speed of the waves each remain the same after diffraction.

a)

TRUE

b)

FALSE

8.

The amplitude of the diffracted wave is greater than that of the incident wave because the energy is distributed over a larger area.

a)

TRUE

b)

FALSE

9.

The law of conservation of charge states that in a closed system the amount of charge is constant.

a)

TRUE

b)

FALSE

10.

The farther the charges are from each other, the stronger the force between them would be.

a)

TRUE

b)

FALSE

11.

The force between two charges are inversely proportional with the product of the two charges as described by Coulomb's Law.

a)

TRUE

b)

FALSE

12.

Which of the following shows the correct value for the Coulomb's constant?

a)

$90\times10^{-9\ }N\cdot\frac{m^2}{C^2}$

b)

$90\times10^{9\ }N\cdot\frac{m^2}{C^2}$

c)

$9.0\times10^{-9\ }N\cdot\frac{m^2}{C^2}$

d)

$9.0\times10^{9\ }N\cdot\frac{m^2}{C^2}$

13.

What is the distance between two protons (1.6x10^-19) be if the force between them is 0.000037N?

a)

$2.49\ \times10^{-12\ }m$

b)

$2.9\ \times10^{-12\ }m$

c)

$4.92\ \times10^{-12\ }m$

d)

$9.42\ \times10^{-12\ }m$

14.

How much force does +0.0034 C and -0.0095 C have from each other that are separated by 25 centimeters and what type of force is being exhibited by the two charges?

a)

$-5.45\ \times10^{6\ }N$ ; attraction

b)

$-4.65\ \times10^{6\ }N$ ; attraction

c)

$-6.45\ \times10^{6\ }N$ ; repulsion

d)

$-4.65\ \times10^{6\ }N$ ; repulsion

15.

Determine the charge of an unknown particle that is placed near a +0.000045 C charge that are separated with 0.10m and has a force of 25N

a)

$7.61\ \times10^{-7\ }C$

b)

$1.67\ \times10^{-7\ }C$

c)

$6.17\ \times10^{-7\ }C$

d)

$7.16\ \times10^{-7\ }C$

16.

An unpolarized light with an intensity of 34 W⁄m^2 passes through a pair of polarizers. The first polarizer is aligned along the vertical and the second polarizer is aligned 15 degrees from the vertical. What is the intensity of the light after passing through the first polarizer.

a)

$34\ \frac{W}{m^2}$

b)

$17\ \frac{W}{m^2}$

c)

$3.4\ \frac{W}{m^2}$

d)

$1.7\ \frac{W}{m^2}$

17.

Which of the following will happen when an unpolarized light what it will be passing through two polarizers that are positioned 90 degrees from each other?

a)

light will still be unpolarized

b)

maximum polarized light will be produced

c)

minimum polarized light will be produced

d)

no light will be passing through

18.

Which of the following will happen when an unpolarized light what it will be passing through two polarizers that are positioned 180 degrees from each other?

a)

light will still be unpolarized

b)

maximum polarized light will be produced

c)

minimum polarized light will be produced

d)

no light will be passing through

19.

Polarized light is considered to be produced when the angle of reflection and refraction are 90 degrees from each other.

a)

TRUE

b)

FALSE

20.

Which of the following behavior cannot be performed by a longitudinal wave?

a)

reflection

b)

polarization

c)

refraction

d)

total internal reflection

21.

How much is the angle of refraction when the angle of incident at a glass surface (n=1.52) is 53 degrees from air (n = 1.00)

a)

13.70 degrees

b)

73.10 degrees

c)

37.10degrees

d)

31.70 degrees

22.

The speed of light in an unknown medium is measured to be 2.10x10^8 m/s. What is the index of refraction of the medium?

a)

1.43

b)

3.41

c)

4.31

d)

3.14

23.

A light ray travels from water (n=1.33) into air (n=1.00) . If the angle of refraction is 34 degrees, what is the angle of incidence?

a)

84.26 degrees

b)

48.62 degrees

c)

24.86 degrees

d)

68.24 degrees

24.

Calculate the critical angle for a diamond-asphalt boundary.

a)

41.24 degrees

b)

21.44 degrees

c)

44.21 degrees

d)

24.41degrees

25.

Which of the following is not a behavior of waves after diffraction?

a)

the frequency, wavelength, and speed of the waves each increases

b)

the direction of propagation and the pattern of the waves change

c)

amplitude decreases

d)

less amount of energy is being distributed over a larger area

26.

Which of the following happens when two or more waves meet?

a)

interference

b)

diffraction

c)

reflection

d)

refraction

27.

Which type of interference is formed at point F and why?

a)

destructive; crest+trough

b)

constructive; crest+crest

c)

constructive; trough+trough

d)

none of the above

28.

Which type of interference is formed at point M and why?

a)

destructive; crest+trough

b)

constructive; crest+crest

c)

constructive; trough+trough

d)

none of the above

29.

Which type of charging is presented by the cloth and the balloon?

a)

induction

b)

polarization

c)

friction

d)

conduction

30.

Which type of charging is presented by the phone and the charger in the GIF?

a)

induction

b)

polarization

c)

friction

d)

conduction

31.

Which of the following best describes the force between two protons?

a)

repulsive; negative force

b)

attractive; positive force

c)

attractive; negtive force

d)

repulsive; positive force

32.

Which of the following shows the direction of the forces acting on Q1?

a)

b)

c)

d)

33.

Polarization of a transverse wave restricts the direction of oscillation to a plane parallel to the direction of propagation.

a)

TRUE

b)

FALSE

34.

For waves of a particular frequency and for a chosen pair of media the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant called the (relative) refractive index.

a)

TRUE

b)

FALSE

35.

Optical density is measured in terms of refractive index.

a)

TRUE

b)

FALSE

36.

What is the value of the path difference at point H.

a)

$1.5\ \lambda$

b)

$5\ \lambda$

c)

$2.5\ \lambda$

d)

$1\ \lambda$

SHPSIC2 ENDTERM EXAMINATION

Total questions: 36

Worksheet time: 1hrs 11mins

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