MULTIPLE CHOICE 1-5 ONLYY SELF-PACED LEARNING MODULE IN GENERAL PHYSICS 2(GRADE 12 STEM ONLY)Code #:Grade & Section:Name:Name of Teacher: Mary Angelic C. CanalijaScore:FA -SA -QTR. 4- MODULE 3: PHOTOELECTRIC EFFECT & RADIOACTIVE DECAYModule Overview:All matter is made up of atoms. Our knowledge of atoms made us understand the basic properties of the states of mattersolid, liquid and gas. And going deeper in studying its subatomic particles, using the concept of nuclear atom which is composed othe electrons around the nucleus and the particles inside the nucleus, the protons and neutrons, opens the fundamental basis of themodern view of the world.This module demonstrates your understanding on the concepts of Atomic and Nuclear Phenomena and how Scientists wereable to explain it using the particle-like behavior of light.Learning Competencies: At the end of this module, you can:1. Explain the photoelectric effect using the idea of light quanta or photons (STEM GP12MPIVH-45); and2. Calculating radioisotope activity using the concept of half-life (STEM GP12MPIVH-i47).Instructional Materials:Ramos J., et al, 2016. Exploring Life Through Science. General Physics 2. PHOENIX PUBLISHING HOUSE, INC., 927Quezon Avenue, Quezon CityValues: Critical ThinkingPre-ass essmentDirections: Carefully read each item. Write the letter of your answer on the answer sheet provided for you at the last page of thismodule.1. Which of the following greatly contributes to the stopping potential of the photoelectrons?a. Frequency of incident light and nature of the cathode materialb. The intensity of the incident lightc. The frequency of the incident lightd. Nature of cathode material2. Who discovered the photoelectric phenomenon?b. Faradayc. Plankd. Hertza. Einstein3. All radioactive sources have a half-life. Which statement about the half-life of a source is correct?a. It is half the time for the radioactive source to become safe.b. It is half the time it takes for an atom to decay.c. It is half the time it takes the activity of the source to decrease to zero.d. It is the time it takes the activity of the source to decrease by half.4. What do you call the minimum energy required to remove an electron?c. Work function5. Radioactivity may be detected by which one of the following instruments?c. Ratemetera. Stopping potentialb. Kinetic energyd. None of thesea. Atomic clockb. Geiger-Muller tubed. MultimeterINTRODUCTIONUnscramble the word/s inside the box to complete the concept map of Photoelectric Effect. Write the letter of your answer on theanswer sheet provided for you at the last page of this module.PHOTOELECTRIC EFFECT-exemplifies the.1. LADU UTRENA OF IGLTHoccurs when atansfers someor all of its2. TOONPH6. EREYNGto a bound 9. EONETCLRwithfrom theBudesa3. ZEDTINAQU YENERG7. ETLAM RECUAFSgreater thanthe material'sproportional towith a gain In4. CEEFRNUYQ5. KORW TIONFCUN8. TEKINCI REGENY1 |Page

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Accepted Answer

Emission of electron from a metal surface when light of suitable frequencies incident on it is…