Free Printable 11th IV P. Review

1.

How fast does microwave radiation that has a frequency of $2.9979\times10^9\ \frac{m}{s}$ and a wavelength of $2.5556\ mm$ travel?

a)

$2.9979\times10^9\ \frac{m}{s}$

b)

$2.99\times10^{-6}\ \frac{m}{s}$

c)

$2.9979\times10^6\ \frac{m}{s}$

d)

$3.00\times10^{-6}\ \frac{m}{s}$

2.

Find the speed of light in antimony trioxide if it has an index of refraction of $n=2.35$

a)

$1.28\times10^8\ \frac{m}{s}$

b)

$3.00\times10^8\ \frac{m}{s}$

c)

$2.8\times10^9\ \frac{m}{s}$

d)

$3.8\times10^8\ \frac{m}{s}$

3.

A redistribution of the centers of positive and negative charges within the object.

(a)

4.

A ray of light has an angle of incidence of $25.0\degree$ upon the surface of a piece of quartz $\left(n=1.54\right)$ . What is the angle of refraction?

a)

$15.0\degree$

b)

$25.2\degree$

c)

$15.9\degree$

d)

$32.8\degree$

5.

Reorder the following from greatest to least wavelength

a)

Red

b)

Orange

c)

Yellow

d)

Green

e)

Blue

1)

2)

3)

4)

5)

6.

Voltage is measured in __.

a)

volts.

b)

watts.

c)

coulombs.

7.

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

a)

5 V

b)

12 V

c)

0.2 V

d)

20 V

8.

Current has units:

a)

kilowatt·hour

b)

ampere

c)

coulomb

d)

volt

9.

How many Volts would it take to push 1 Amp through a resistance of 1 Ohm

a)

10 volts

b)

1 volt

c)

48 volts

d)

5 volts

10.

Member of the Electromagnetic Spectrum with the shortest wavelength

a)

Radio Waves

b)

Gamma Rays

c)

UV Rays

d)

X-Rays

11.

Which symbols are used for the units of current and of resistance?

a)

A

b)

B

c)

C

d)

D

12.

What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts

a)

15 Ohms

b)

4 Ohms

c)

0.3333 Ohms

d)

2 Ohms

13.

Which equation can be used to calculate the resistance R of a resistor?

a)

V = I / R

b)

I = V x R

c)

R = V x I

d)

V = I x R

14.

What is the current in an electric circuit?

a)

The energy of the circuit

b)

The flow of electrons in the circuit

c)

The power of the circuit

15.

What represents electrons in a marble run?

a)

The person pushing the marbles

b)

The marbles

c)

The tubes

16.

What is the voltage in an electric circuit?

a)

The power of the electrons

b)

The charge of the electrons

c)

The energy of the electrons

17.

A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit resistance

a)

58 Amps

b)

0.33 Amps

c)

13 Amps

d)

1 Amp

18.

What letter is used to represent refractive index?

a)

c

b)

n

c)

v

d)

θ

19.

What letter is used to represent the speed of light?

a)

c

b)

n

c)

v

d)

θ

20.

A beam of light strikes a glass block with refractive index of 1.52, at an angle of 5°, what is the angle of refraction?

a)

7.51

b)

0.087

c)

0.13

d)

3.29

21.

What is a line drawn at 90° to a surface called?

a)

incident ray

b)

normal line

c)

refracted ray

d)

tangent

22.

What direction does the ray bend when entering a more optically dense material, where the wave travels more slowly?

a)

Towards the normal.

b)

Away from the normal.

c)

No change.

d)

Answer is not listed above.

23.

What is the angle of incidence on a glass block with refractive index 1.52 if the angle of refraction is 32°?

a)

52.6

b)

20.7

c)

32.0

d)

74.3

24.

Which is the correct equation for refractive index?

a)

n = v /c

b)

n = v × c

c)

n = c / v

d)

n = c ^v

25.

Which of the following is true?

a)

When light travels from a vacuum into glass it speeds up.

b)

When light travels from a vacuum into glass it bends away from the normal.

c)

When light travels from a vacuum into glass the frequency decreases.

d)

When light travels from a vacuum into glass the wavelength decreases.

26.

Swimming pools and the ocean look shallower than they really are due to:

a)

reflection

b)

dispersion

c)

refraction

d)

total internal reflection

27.

What is the refractive index of air?

a)

1.5

b)

1.2

c)

0.5

d)

1.0

28.

What is the speed of light in water of refractive index 1.33?

a)

3.0×10⁸m/s

b)

2.0×10⁸m/s

c)

2.3×10⁸m/s

d)

3.9×10⁸m/s

29.

Which of the following is a correct representation of snell's law?

a)

n₁sinθ₂=n₂sinθ₁

b)

n₁sinθ₁=n₂sinθ₂

c)

n₂sinθ₁=n₁sinθ₂

d)

n₁/sinθ₁=n₂/sinθ₂

30.

When light passes at an angle to the normal from one material into another material in which its speed is lower

a)

it is bent towards the normal.

b)

it always lies along the normal.

c)

it is unaffected.

d)

it is bent away from the normal.

31.

If the angle of incidence of light traveling through air, and then striking water is 30 degrees what is the angle of refraction? (n=1 air, n=1.33 water)

a)

15 degrees

b)

22 degrees

c)

43 degrees

d)

17 degrees

32.

Based on the image, as light passes from medium 1 to medium 2

a)

light speeds up and bends towards the normal

b)

light speeds up and bends away from the normal

c)

light slows down and bends towards the normal

d)

light slows down and bends away from the normal

33.

Light has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45

a)

diamond

b)

water

c)

flint glass

d)

barium glass

34.

In what medium does light travel the fastest?

a)

vacuum

b)

air

c)

water

d)

glass

35.

Based on the image, which medium has a larger index of refraction?

a)

Medium 1 has a larger index of refraction.

b)

Medium 2 has a larger index of refraction.

c)

Both mediums have the same index of refraction.

d)

Cannot be determined.

11th IV P. Review

Total questions: 35

Worksheet time: 33mins

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