CHAPTER 2 – PHYSICS

2006 Words
RISH's POV We're still walking, kahit hindi talaga namin alam kung nasaan iyong 4-A class. Hindi ba uso dito iyong orientation, para man lang ma-familiarize kami sa lugar? I glanced at my watch, 7:15 AM, 15 minutes to go male-late na kami. First day namin, late? Tss.   “Excuse me?” turan ni Trisxh sa babaeng nag-aayos ng post sa bulletin board. Mabuti naman naisip na niyang magtanong. Lumingon naman iyong babae. “You're the new student.” nakangiting saad nito kay Trisxh.   May nag-e-English din pala dito, sabi ni Lolo wag daw mag-English at baka mapagkamalan kaming weird. Mukhang niloloko lang ako ni Lolo.   “Paano mo nalaman?” tanong naman ni Trisxh. “By the way, you're beautiful, picture tayo!”   Sa lahat na lang ng magaganda kailangan magpapicture? Bestfriend ko ba talaga ito? Maybe you're wondering  why I'm so cold towards her, normal na talaga sa'kin ito.   “Beshie!” tawag sa'kin ni Trisxh. Akalain mo iyon, naglalakad na pala sila. “Siya si Precious Hydee Falcon, pero Hydee na lang daw, SC President siya. Tapos classmate din natin, kaya sasabay na tayo sa kanya.” napakafriendly talaga ni Trisxh. “Hi Airish.” nakangiti namang bati noong SC President.   Tumango lang naman ako.   “Hi din daw..” turan ni Trisxh. Interpreter? Tsk.   Nagkwentuhan pa sila habang naglalakad. Ako naman, as usual, tahimik lang. Hanggang sa naging tour guide na namin siya. “Ito iyong main building, hanggang 4th floor ito, each year level, magkakaiba ng floor. Since, we're 4th year kaya sa 4th floor pa tayo.”   Wala daw elevator kaya magta-tiyaga talaga kaming umakyat sa hagdan mula 1st floor.   “Each year level, may 5-10 sections, A-J. Class A, andyan iyong mga nag-eexcel academically. B - sa arts. C-G sports, H-J singing, dancing, acting.”   Kakaiba, sounds interesting.   “Sa Admin building naman, andoon iyong Faculty, Principal's Office, SC Office, saka iyong iba't ibang offices, malalaman niyo rin iyon. Sa E building naman, andun iyong Library, Science Lab, Computer Lab, Home & Economics Room, Clinic and Music Room. While in X building, iyong Auditorium, Gym, Canteen1. In O building, Canteen 2, Broadcasting Room. Then ayan, nakikita niyo naman iyong field at student's lounge.”   Compare to other public school, mas kumpleto ung EXONHS sa facilities. Sa dami ba naman ng rooms na binanggit ni SC Pres., para rin pala itong private school, siguro dahil natutukan. Anak ng may-ari iyong Principal e. Uso lang din iyong vandalism.. kahit saan ako tumingin may mga sulat iyong pader. Halos lahat iloveyou, iyong iba naman mga bad words. Halatang wala lang magawa.   Sa sobrang pagmamasid, hindi ko namalayan na andito na pala kami. Bukas iyong pinto, nakita kong may Teacher na sa unahan. I checked my watch, 7:26 AM, hindi pa naman kami late. Maaga lang sigurong dumating iyong Teacher.   “Oh Ms. Falcon, kasama mo pala ang mga bago niyong kaklase.” salubong ng guro sa amin. “Opo Mam.” nakangiti namang tugon ni SC Pres. at dumiretso na sa loob. “Well, kindly introduce yourselves..”   Eto iyong pinakaayaw ko sa lahat. Bakit ba kailangan pang magpakilala? Pwede namang sabihin na lang niya ang mga pangalan namin sa klase. Hays!   Humakbang na papasok si Trisxh. Nakita kong nagtinginan sa kanya iyong mga students sa loob. May mga nagtaas ng kilay, may mga nakatingin lang at mga lalaking parang maglalaway.   “Hi, I'm Trisxhiezkie Anne Lagdameo, Trisxh na lang for short. 16 years old. Add me up on f*******:, just search my name. Sa Twitter naman at i********:, @xiitrisxhiezkie. Sana maging magkaibigan tayong lahat.” at ngflying kiss pa sya. She enjoyed it. Nagpalakpakan naman ang mga lalaki, while the other girls just rolled their eyes. “Beshie, ikaw naman.” yaya niya sa'kin.   Huminga muna ako ng malalim bago inihakbang ang mga paa papasok ng room. Then I stopped sa gitna, at inilibot ang paningin sa loob. They're just staring at me. Tahimik lang sila, iyong iba literal na nakanganga. Ano na namang problema? Dahil na naman ba sa back pack kong Spongebob? Tumingin naman ako kay Trisxh. Nagthumbs up lang siya, then kumuha ng picture ko. Tsk.   “I'm Airish Kaite Montero, 17.”   Napansin kong parang naghihintay pa sila ng kasunod. Pero, wala na talaga akong balak magsalita. Too much attention na nakukuha ko. Tumingin na lang ako sa Teacher, para ipaalam na I'm done. Mukhang na-gets niya naman. Good.   “Welcome to 4-A class, I'm Mrs. Del Cabatay, you're Physics teacher. You may take your seat.” nakangiti niyang turan.   Sumunod lang ako kay Trisxh, ramdam ko pa rin iyong titig nila. It's creepy.   Nakahinga lang ako ng maluwag ng makaupo na kami. Andito kami sa likod, good thing malapit ako sa bintana. I can see some students na nagmamadaling maglakad, habang iyong iba nakatambay pa at nagkukwentuhan. Pwede palang tumambay sa hallway kahit start na ng klase?   “Okay class, we're going to continue our lesson. I know you read your textbook, that's your homework last meeting, right? So let's have a recitation.” panimula ni Mrs. Cabatay “Beshie, recitation, agad agad?” bulong sa'kin ni Trisxh.   I just shrugged.   “Mr. Lorenzo, what is light?”   Tumayo naman iyong isang lalaki. Nerd siya, wearing eye glasses and with that Rizal inspired hair style. So, kailangan palang tumayo kapag sasagot? Noted.   “Light is part of the electromagnetic spectrum, the spectrum is the collection of all waves, which include visible light, Microwaves, radio waves ( AM, FM, SW ), X-Rays, and Gamma Rays.” sagot noong Mr. Lorenzo then pasimple siyang tumingin kay SC Pres. before maupo.   “Very well said Mr. Lorenzo, what can you say about the theory of light.” nagsimula namang magsitunguhan iyong mga kaklase namin. Anong ibig sabihin noon? Ayaw nilang sumagot? “Any volunteer?”   “Hindi ko memorize iyon, wag sana akong matawag.” bulong noong nasa unahan namin. “First sentence lang alam ko, binasa ko lang kasi.” tugon naman noong isa.   “Bakit hindi natin pakinggan ang mga bago niyong classmates.” saad ni Mam.   “Patay Beshie, hindi ko alam. Sana ikaw na lang ang tawagin.” bulong sa'kin ni Trisxh, then she pouted.   “Ms....”   “Waah Beshie, pasuspense pa si Mam! Kinakabahan na ako lalo, tulungan mo'ko ha.” maluha-luhang turan ni Trisxh. Kung pwede lang tumawa, natawa na ako sa hitsura niya. Seriously? Theory of light lang pala magpapaiyak sa kanya.   “Let's hear from Ms. Montero..”   I heard a sigh of relief from Trisxh. Natatawa na talaga ako sa isip ko. But I still have my blank face. Naramdaman ko na naman ang titig ng mga kaklase ko.   I stated, “In the late 1600s, important questions were raised, asking if light is made up of particles, or is it waves .? Sir Isaac Newton, held the theory that light was made up of tiny particles. In 1678, Dutch physicist, Christiaan Huygens, believed that light was made up of waves vibrating up and down perpendicular to the direction of the light travels, and therefore formulated a way of visualizing wave propagation. This became known as 'Huygens' Principle'. Huygens theory was the successful theory of light wave motion in three dimensions. Huygen, suggested that light wave peaks form surfaces like the layers of an onion. In a vacuum, or other uniform mediums, the light waves are spherical, and these wave surfaces advance or spread out as they travel at the speed of light. This theory explains why light shining through a pin hole or slit will spread out rather than going in a straight line.”   Tumigil ako saglit at tumingin sa paligid. Tulala lang sila. Mali ba mga sinasabi ko? Tumingin ako kay Mam, mukha naman siyang nakikinig.   Then I continued, ” Newton's theory came first, but the theory of Huygens, better described early experiments. Huygens' principle lets you predict where a given wavefront will be in the future, if you have the knowledge of where the given wavefront is in the present. At the time, some of the experiments conducted on light theory, both the wave theory and particle theory, had some unexplained phenomenon, Newton could not explain the phenomenon of light interference, this forced Newton's particle theory in favour of the wave theory. This difficulty was due to the unexplained phenomenon of light Polarisation - scientists were familiar with the fact that wave motion was parallel to the direction of wave travel, NOT perpendicular to the to the direction of wave travel, as light does. In 1803, Thomas Young studied the interference of light waves by shining light through a screen with two slits equally separated, the light emerging from the two slits, spread out according to Huygen's principle. Eventually the two wave fronts will overlap with each other, if a screen was placed at the point of the overlapping waves, you would see the production of light and dark areas. Later in 1815, Augustin Fresnel supported Young's experiments with mathematical calculations. In 1900 Max Planck proposed the existence of a light quantum, a finite packet of energy which depends on the frequency and velocity of the radiation. In 1905 Albert Einstein had proposed a solution to the problem of observations made on the behaviour of light having characteristics of both wave and particle theory. From work of Plank on emission of light from hot bodies, Einstein suggested that light is composed of tiny particles called photons, and each photon has energy. Light theory branches in to the physics of quantum mechanics, which was conceptualised in the twentieth century. Quantum mechanics deals with behaviour of nature on the atomic scale or smaller. As a result of quantum mechanics, this gave the proof of the dual nature of light and therefore not a contradiction.”   Halos tulala naman ang mga kaklase ko, pati pala si Mam. Parang hindi sila naniniwala sa mga sinabi ko. Mali ba ang sagot ko? Iyon ang nabasa ko sa libro sa Library ni Lolo, mali ba iyong nakasulat doon? May nakalimutan ba akong banggitin?   “Galing mo talaga Beshie, walang kupas. “ bati sa'kin ni Trisxh noong makaupo na ako. Hawak niya yung cellphone niya. Don't tell me, nagpicture na naman siya? “Bakit ang tahimik nila?” I asked, “Mali ba ang sagot ko?” “Amaze lang sila Beshie, hindi pa kasi sila sanay. Hindi pa nila alam na walking encyclopedia ka.” Nangingiting tugon nito.   Compliment ba iyon o nang-aasar lang ito? At kailan pa ako naging encyclopedia?!   “What's going on? May dumaang anghel?” bungad ng isang lalaking nakauniform din.   “Beshie?! Ang gwapo!” then, nagpicture na naman. Regaluhan ko nga ng camera ito.   Ngumiti naman iyong lalaki ng mapansing kinukuhanan siya ng picture ni Trisxh.   “Late again, Mr. Yuzon.” wika ni Mam nang makarecover na siya.   Pasimple namang nagreretouch ang mga babae. Ano na namang meron?   “Sorry Mam, practice.” nakapeace sign with smile pang tugon noong lalaki.   “Waah, gwapo talaga! – Girl 1 “Oo nga, ang bait pa! – Girl 2   “Beshie, may gwapo rin pala ditto.” bulong naman ni Trisxh while scanning her cellphone gallery.   Hindi ba bawal ang cellphone dito?   “Quiet!” saway naman ni Mam, nagsisimula na kasing mag-ingay lalo na ang mga babae. “You may take your seat Mr. Yuzon” “Yes Mam!” nagsalute pang turan noong lalaki bago pumunta sa upuan niya. Panay naman ang Hi sa kanya ng mga nadadaanan niya. “Ms. Montero, very well said. I'm impressed, you also discussed the conflicts and solutions of each theory. “ may patango-tango pang saad ni Mam habang binubuklat iyong libro niya. “And I noticed, wala sa libro iyong mga sinabi mo, for sure ibang reference ang ginamit mo.” Tumango naman ako. “It doesn't matter, you did a good job. “ nakangiti namang saad ni Mam.   Then nagstart na ulit siyang magtawag, nagdi-discussed din siya. She's a good teacher, madaling maintindihan iyong mga sinasabi niya.
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