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2nd Semester Final Exam Review

Total questions: 35

Worksheet time: 39mins

Name
Class
Date
1.
What do you call the process of charging a conductor by bringing it near another charged object?
a)
induction
b)
polarization
c)
neutralization
d)
conduction
2.

What method of charging was used to get Ms. E's hair to stick up?

a)

Friction

b)

Conduction

c)

Induction

d)

Convection

3.

What happens to the force between two charged objects when you double the distance between them?

a)

Increases 2F

b)

Decreases

12F\frac{1}{2}F

c)

Increases 4F

d)

Decreases 14F\frac{1}{4}F

4.
When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?
a)
they are removed from the rod
b)
they are added to the rod
5.
When a plastic rod is rubbed with wool, the wool acquires a positive charge because
a)
protons are transferred from the wool to the rod
b)
protons are transferred from the rod to the wool
c)
electrons are transferred from the rod to the wool
d)
electrons are transferred from the wool to the rod
6.

Coulomb's Law says that force is ______ related to charge and ______ related to the square of the distance between charges.

a)

inversely, directly

b)

directly, inversely

c)

directly, directly

d)

inversely, inversely

7.

Why does the balloon stick to the neutral wall?

a)

The positive charges are attracted to the balloon.

b)

The negative charges are attracted to the balloon.

c)

The positive charges move away from the balloon,

d)

The negative charges move away from the balloon,

8.

If the distance between two charges is increased by 6, what happens to the force?

a)

Decreases

16F\frac{1}{6}F

b)

Increases 6F

c)

Decreases 136F\frac{1}{36}F

d)

Increases 36F

9.

When you add resistors to a series circuit you...

a)

increase the resistance and increase the current

b)

increase the resistance and decrease the current

c)

decrease the resistance and decrease the current

d)

decrease the resistance and decrease the current

10.

When you add resistors to a PARALLEL circuit you...

a)

decrease the resistance and increase the current

b)

decrease the resistance and decrease the current

c)

increase the resistance and increase the current

d)

increase the resistance and decrease the current

11.

A student is building a series circuit with a 20 V battery. She measures the total current at 4 A. What is the total resistance of the circuit?

a)

4 ohms

b)

80 ohms

c)

5 ohms

d)

0.2 ohms

12.

What is Ohm's Law solved for resistance?

a)

V=IR

b)

R=V/I

c)

I=V/R

d)

It depends on the circuit

13.

Select all that is true about this circuit:

a)

Rt=315 ohms

b)

Rt=25.7 ohms

c)

Vt= 9V

d)

I1=0.1 A

e)

I3= 2 A

14.

Select all the ways you can increase the strength of an electromagnet.

a)

Add more loops in the coil

b)

Increase the resistance

c)

Add a larger iron core

d)

Increase the current

e)

Add a magnet

15.

Looking at the field lines in this picture, these two magnets are ________

a)

Attracting

b)

Repelling

c)

Attracting and Repelling

d)

Doing nothing

16.

An electric current is generated in a coil of wire when a magnet is __________ the coil.

a)

to the right of

b)

to the left of

c)

moving through

d)

inside (at rest)

17.

What is the difference between a motor and a generator?

a)

Generators use electromagnets and motors don't.

b)

Motors use electromagnets and generators don't.

c)

Motors produce motion and generators generate electricity

d)

Generators produce motion and motors generate electricity

18.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
19.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
20.

Which wave has the highest pitch?

a)

red

b)

blue

c)

purple

d)

green

21.
What state of matter allows sound to travel the slowest?
a)
Solid
b)
Liquid 
c)
Gas
d)
Doesn't Matter
22.

Which wave has the longest wavelength?

a)

red

b)

green

c)

blue

d)

purple

23.

If the frequency of a wave increases, the wavelength of the wave will...

a)

decrease

b)

increase

c)

stay the same

24.

Which medium is more dense and why?

a)

Medium 1 is more dense because the light bends away from the normal.

b)

Medium 2 is more dense because the light bends away from the normal

c)

Medium 1 is more dense because the light bends towards the normal

d)

Medium 2 is more dense because the light bends towards the normal

25.

What happens to the light as it enters the new medium?

a)

It travels faster

b)

It travels slower

c)

It stays the same

26.
Light has the highest 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
27.

What causes the bands of lights in the Young Double Slit Experiment?

a)

Refraction and Reflection

b)

Diffraction and Diffusion

c)

Constructive and Destructive Interference

28.
What are the three secondary colors of light?
a)
Red, Green, Blue
b)
Green, Yellow, Blue
c)
Cyan, Magenta, Yellow
d)
Magenta, Yellow, Black
29.
Which of the following are the primary light colors?
a)
magenta, cyan, yellow
b)
red, blue, green
c)
white and black
d)
yellow, blue, green
30.

What causes the bands of light shown in the double slit experiment?

a)

Refraction creates constructive and destructive interference.

b)

Reflection creates constructive and destructive interference.

c)

Diffraction creates constructive and destructive interference.

d)

Polarization creates constructive and destructive interference.

31.

What will happen to this ray of light when it hits this convex lens?

a)

It will reflect toward the center of curvature of the lens.

b)

It will reflect toward the focal point on the same side of the lens as the object.

c)

It will refract toward the focal point on the side of the lens opposite the object.

d)

A. It will refract parallel to the principal axis

32.

What type of image will be formed by this lens?

a)

real, upright

b)

virtual, upright

c)

real, inverted

d)

virtual, inverted

33.

What type of image will be formed by this lens?

a)

real, upright

b)

virtual, upright

c)

real, inverted

d)

virtual, inverted

34.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
35.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.

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