How The Bruh Moment Changed History - English - Essay

1542 words - 7 pages

Exam Choice
2009 Physics Preliminary Examination. Marking Guidelines and model Answers.
Part A Multiple Choice
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Part B
16 a.
Marking Criteria Marks
Sufficient apparatus sketched and labelled so that investigation could be performed properly 2
Some appropriate parts of the investigation sketched and/or labelled 1
e.g. (note that question only asks for the sketch of apparatus)
nodes where open-ended glass tube speaker signal
particles settle with fine sand/powder generator
which collects at the nodes
16 b.
Marking Criteria Marks
Complete relationship described 2
Relationship described in a simplistic manner 1
The frequency is inversely proportional to the wavelength OR the product of the frequency and wavelength is constant.
Marking Criteria Marks
 Full description given with similarity to fibre optic described fully;
 useful diagram included and referred to
Method of conveying sound in pipe described 2
Method of conveying sound in pipe identified 1
The sound waves reflect off the walls of the pipe and continue to travel down the pipe, “trapped”. Light undergoes total internal reflection in
an optical fibre in a similar fashion – “trapped” in the fibre.
18 a.
Marking Criteria Marks
Both a carrier wave and AM modulation correctly depicted 2
Either a carrier wave OR a form of modulation is depicted 1
Radio waves have a much higher frequency than human hearing so cannot be converted directly into sound for the communication of voice
or music. By superposing the actual communication signal onto the carrier wave, the message etc can be decoded back into sound that
humans can hear by the radio receiver, thus enabking long distance transmission and reception of communication.
Marking Criteria Marks
Correct equations used to find correct values and an average taken correctly to 2dp 4
Correct refractive indices found for three instances 3
Correct refractive index calculated for one instance 2
Snell’s law identified to attempt to find refractive index OR an average of incorrect values attempted 1
sin 45

sin 45

sin 23

 1.2247 1.2645 1.2797 3
. . n=1.26
i e
   

20 a.
Marking Criteria Marks
Correct answer with correct number of significant figures 2
Correct equation used with subsequent incorrect substitution but answered with correct number of sig
figs OR correct answer with incorrect number of significant figures
3 -1 -1
1.5 10 N
5.0 10 C
3.0 10 N C (or V m )

 
20 b.
Marking Criteria Marks
Complete answer provided to find mass 2
An aspect identified, e.g. acceleration measured 1
Observation and measurement of the particle’s acceleration, then use m=F/a to find the mass of the particle.
21 a.
Marking Criteria Marks
Two reasons identified 2
One reason identified 1
e.g. To allow wires of appropri...

More like How The Bruh Moment Changed History - English - Essay

How The Constitution Changed America - College US History - Essay

597 words - 3 pages ... When the Constitution of the United States was written in 1787 it changed the lives of many.  The constitution is such a famous piece of writing for many reasons. It is well known not just because it established a democratic government but, more of how it consistent it is with modern society. When the constitution was written the founding fathers made it in such a way that it would be able to relate to society as it modernized. As this new ...

China Gender- How The Roles Have Changed - University Essay - Essay

4342 words - 18 pages ... businesses in China are not willing to pay the extra costs of hiring a female which come with paternity leave. This has lead to a rise in propaganda that a women’s place is at home and to solely be a mother. This couple with strict migration laws has led many women seeking employment so be deemed as ‘second-class’ citizens. This revival of traditional gender norms within China, will be evaluated within this essay to show how it has contributed to a high ...

How Macbeth Changed Through The Story - Literature - Essay

783 words - 4 pages ... Macbeth essay In Williams Shakespeare's play Macbeth, Macbeth is portrayed as a courageous figure. He showed his courage while fighting against MacDonwald and Norway as well as in his final battle where Macbeth remains brave even when he realizes that he lost. However, Macbeth's personality vastly changed through the plot of the play. Macbeth lost a feeling of guilt and became confident in the actions that he did. Throughout the act of the play ...

How Baseball Has Changed Over The Years - Lackawanna College - Essay

1522 words - 7 pages ... salary cut (Hoch, 2014.) This event made it relevant to other pitchers to play by the rules as the suspensions’ news blew up all around the world of MLB. The fielding is one that thing that evolved majorly in the game of baseball. The evolution of fielding is one of the only parts of baseball that wasn’t always in its history. What makes it the most significant is how the gloves of the fielders changed over time. Originally, during the time of the ...

How Losing My Virginity Changed Me - Georgia Military College English Comp 101 - Essay

908 words - 4 pages ... Henderson 3 Kali Henderson R. Raniere English Comp 101 23 October 2017 Losing My Virginity and How It Changed Me Growing up as a Christian, I am held to higher standards by myself, my parents, and God. I am not supposed to condone certain activities, such as smoking, drinking, and indulging in sexual activities. My family actively participates in church. My father is a minister and my mother is an usher. My brother works with the audiovisual ...

How The Inflow And Outflow Of FDI In China Changed Their Economy - Global Economy - Essay

2150 words - 9 pages Free ... growth that could hinder China’s aim to increase the percentage of population who through globalisation now live in urban areas, as the current percentage of China’s population who still live in rural areas is 46.8% (China, 2012). 1949 proved to be a very important year in China’s political history, as the civil war broke out the emergence of the Peoples Republic of China was introduced. China was now politically stable and was no longer under the ...

How The War On Terror Changed Modern Day United States - Federal Government - Essay

1159 words - 5 pages ... Blankenship 1 Shelbie Blankenship Professor Goral Federal Government 2305A52 24 April 2019 Federal Government Essay On October 7, 2001, the United States entered its longest lasting war, which continues to this day, just a month after the terrorist attacks of September 11, 2001. The attacks of 9/11 triggered major United States initiatives to combat terrorism and defined the presidency of George W. Bush. For the duration of the attack, 19 ...

E-life Of Readers. How The Readers Life Changed With E-books - ESL - Essay

492 words - 2 pages ... E-life of Readers Do you like reading? Do you know how much changed the life of readers after the invention of e-books? It is one of the best inventions of the modern world, because it changed the possibility of reading, which mean reading has become easier, because the readers now have unlimited books available online, and they can read anytime and anywhere because their books are with them on their phones and iPads, and they save a lot of ...

SHOULD THE DATE OF AUSTRALIA DAY BE CHANGED - Sale College- ADV English 10 - Argumentative Essay

871 words - 4 pages ... result, it has been called to be a day of mourning and protest and not a day of celebration. With this knowledge and deeper understanding of the history, Australia Day should be changed because it is celebratory for one group and painful for another, the indigenous people, as it is a reminder of what has happened. It reinforces the divides and the differences between people instead of bringing them together based on something both groups can be proud ...

Should The Date Of Australia Day Be Changed - CSCS - Essay

770 words - 4 pages ... a day that heralds such hardship. Just imagine if all of your ancestors were murdered, simply for existing, because tougher, greedier men came in and wanted what you had. That doesn’t really make me want to host a barbeque. And just to show you how really ignorant you are, were you aware that the date does not actually commemorate a significant moment in Australia’s British settlement? The date is not that on which the first fleet arrived in ...

The Spanish Civil War And How It Changed Art In Spain Throughout The Years

1861 words - 8 pages ... Compare and Contrast Research Paper War is an important part of history as it has shaped our borders and governments drastically throughout the years, but also in its effect on cultural aspects such as art. Even though art is a form of self-expression and, therefore, subjective, it also has patterns, trends, and eras that occur on a global scale and are sometimes initiated by war. One such example is the Spanish Civil War and how it ...

D-day How The Allies Changed The Tide - High School - Informal Paper

1409 words - 6 pages ... would attack elsewhere. D-Day, was on June 6, 1944, during World War II. It was the allied invasion of Normandy, a beach located on the French channel coast, in hope to penetrate the German army. General Eisenhower had organized the largest sea-to-land invasion in history. May 1944 was the original date for the invasion, but several difficulties forced a postponement until June. Eventually, on the morning of June 6, Eisenhower agreed to proceed ...

How Distance Learning Changed My Life - Pitt Community College / Eng 111 - Reflection Essay

1161 words - 5 pages ... 1 Christopher Pace English 111-048 Reflection Essay October 15, 2013 How Participating in Online Classes Has Changed Me These online courses have helped me overcome my fear of technology. I was unsure of myself at first, but I quickly became used to using e-mail, bulletin boards, and chat rooms. I have learned how to do Internet research. I had never used the Internet for research before. I had always gone to the library and looked everything up ...

How Has Our Understanding Of Similarity Changed Since Tversky (1977)? - Essay

2657 words - 11 pages ... . During this essay we will start with discussing some early work from the 1970s by Tversky (1977) who explores a single process theory towards similarity judgement. Leading on from this some experimental papers such as Lin and Murphy (2001) and a similarity model proposed by Yeh and Barsalou (2006) will be discussed and how they have changed our understanding of similarity by proposing the idea of a dual process. As stated, we will start by ...

How Technology Has Changed Our Society - Wayland Baptist Univesity/ Info System & Theory. - Essay

1589 words - 7 pages ... Santos 1 How Technology has Changed our Society Dawin Santos Kenroy Wedderburn February 26, 2019 Since the causes of mankind, the development and extension of the populace, and subsequently of society, all in all, has prompted the rise of various advancements. These advancements, generally, have encouraged the improvement of society and gave us devises to manage inconveniences that, up to that point, had no outcome with the current methods ...