PHYS-EXAM-BANKS FINAL EXAM (COMPLETE COVERED COURSE TRIAL QUESTIONS AND
ANSWERS) Concordia University
1. Energy is :
a) Power
b) A force of nature
c) Amount of
momentumd) The ability
to do work
2. If you double the speed of an object how does its kinetic energy change?
a) Stays the same
b) It doubles
c) It triples
d) It quadruples
3. Which of the following could NOT be a unit of power?
a) Joules per second
b) Watts
c) Calories per
hourd) Joules
4. Home appliances that produce heat tend to be low power.
a) True
b) False
5. A process that occurs spontaneously in one direction is called
a) Reversible
b) Irreversible
c) Undeniable
d) Insatiable
6. Only a small percentage of the electricity we use in produced by converting mechanical energyinto
electrical energy
, a) True
b) False
7. Most countries depend on fossil fuels for more than 50% of their energy needs.
a) True
b) False
8. Energy use per person is much higher
, a) In highly developed countries
b) In less developed countries
9. In which hemisphere are most of the known coal reserves found?
a) Northern
b) Southern
c) It is approximately equal
10. There hasn't been a major mining accident in canada since the 1970’s
a) True
b) False
11. Light intensity is
a) The energy of the light on some area
b) The momentum of a light wave
c) The total energy of all the light captured
d) The power divided by the area over which the light shines
12. A flat plate collector is similar to the small solar panel in a calculator and takes the sun’s
energy and turns it into usable electricity.
a) True
b) False
13. In the future with better engineering we could have propellor style windmills with efficienciesof
up to 75%
a) True
b) False
14. Canada is one of the top 3 countries in terms of total power produced by wind
a) True
b) False
15. Spent nuclear fuel has been used up and therefore is no longer radioactive.
a) True
, b) False
16. The total fraction of energy generated by nuclear power worldwide is predicted to increase by
2040.
a) True
b) False
17. A good home insulation will not be good at transferring heat.
a) True
b) False
18. The standard that certifies energy efficient products is called
a) Energy star
b) Green star
c) Canadenergy
d) GreenLite
19. What compound is produced by incomplete combustion of fossil carbon?
a) CO2
b) CO
c) NO2
d) N2
20. Which of the following is a primary pollutant?
a) SO2
b) SO3
c) Sulphuric Acid
21. In the last 100 years, overall, the average distribution of marine taxonomic groups has
a) Shifted towards colder water regions
b) Shifted towards warmer water regions
c) Not changed significantly
22. The ratio of different types of carbon in the atmosphere tells us
a) That the increase in atmospheric CO2 is from very old sources
b) That CO2 levels have increased since the 1800s
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller smartzone. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
