Answer ALL the QUESTIONS CORRECTLY.

NOTE: ANSWER ONLY please disregard the PERFORMANCE TASK 2 ONLY multiple choices. Thank you

what does Maxwell's equation relate? stions and choose the letter of the best answer. USE THE ANSWER SHEET PROVIDED. A.It relates electric field and coulomb's law C. It relates light and electromagnetism B.it relates magnets and electricity 2. Hertz (Hz) is an SI unit, In what measurement do we use this? D. It relates magnets and circuits A.Frequency 5. Wavelength C. Speed of light D. Amplitude 3. Different materials have different values of index of refraction. What will happen to the angle of refraction if your second material has higher index of refraction A. The angle will be the same with the angle of incidence. B. The angle will be smaller than the angle of incidence. C. The angle will be larger than the angle of incidence. D.The angle will be two times greater than the angle of incidence. 4.An incident light bounces to a plane mirror. The angle of the incident light and the plane of mirror is 30 degrees. What will be the direction of reflected light? A.30 degrees B. 25 degrees 5. Brother Jay was fond of fishes. He bought his aquarium and put a light in it. He positioned the light wherein C. 60 degrees D. 90 degrees the light does not bend out of the aquarium. Why was it possible? A. The angle he used was below the critical angle. C.The angle he used was two times less than the critical angle. B.The angle he used was equal to the critical angle. D.The angle he used was two times greater than the critical angle. 6. What is the relationship between the index of refraction and angle of refraction A. The greater the index of refraction the smaller is the angle of refraction. B. The lesser the index of refraction the grater is the angie of refraction. C. The greater the index of refraction the angle of refraction is doubled. D. The greater the index of refraction the angle of reflection is halved. 7. What law explains why a partially submerged ruler or drinking straw appears bent? A.Snell's Law B. Lenz's Law C. Maxwell's law D. Malus's Law 8.Who was the scientists who showed the mutual interactions between electric field and magnetic field? AJames Clerck Maxwell B. Hans Christian Oersted C. Heinrich Hertz D. Andre Ampere 9.Hertz was the first scientist to produce electromagnetic waves in the laboratory. Sparks from coils were seen to have flown by an induction coil. What was the frequency of the EM wave produced? B. Microwave C. Visible light D. Radio A. Ultraviolet ray 10.Which wave can propagate even in vacuum? A.Electromagnetic B. Longitudunal C. Mechanical D. Transverse 11.In the interaction of light to specular surfaces, angle of incidence is always equal to A.Angle of refraction B. Angle of reflection C. Angle of diffusion D. Angle of speculation 12.Which among the choices is NOT a condition for light to experience total internal reflection? A.Light must pass form optically denser medium to a less dense medium B. The angle of incidence must be greater than the critical angle. C. The critical angle must be lesser than the angle formed by the incident ray and normal. D.Light must optically pass from less dense medium to a denser medium. 13. A ray of light is incident on the surface of a crown glass plate at an angle of 30 with the normal. What is the Given the index of refraction of crown glass plate is equal to D. 180A. Ultraviolet ray B. Microwave C. Visible light 10.Which wave can propagate even in vacuum? D. Radio A.Electromagnetic B. Longitudunal C. Mechanical D. Transverse 1 1.In the interaction of light to specular surfaces, angle of Incidence is always equal to A Angle of refraction B. Angle of reflection C. Angle of diffusion D. Angle of speculation 12.Which among the choices is NOT a condition for light to experience total Internal reflection? A.Light must pass form optically denser medium to a less dense medium B. The angle of incidence must be greater than the critical angle. C.The critical angle must be lesser than the angle formed by the incident ray and normal. D.Light must optically pass from less dense medium to a denser medium. 13. A ray of light is Incident on the surface of a crown glass plate at an angle of 30 with the normal. What is the angle between the refracted ray and reflected ray? Given the index of refraction of crown glass plate is equal to 1.52 and index of refraction of air is equal to 1.00 A. 19.2 B. 71 C. 131 D. 180 14. The dispersion of white light into its component colors by a prism is due to A.Polarization of light C. The decrease in the speed of light in the prism B.Total internal reflection D. The variation among the indices of refraction of the colors of light 15. Unpolarized light passes through a polarizer-analyzer combination. What must be the angle between the transmission axis of a polarizer and analyzer for the intensity of the transmitted light to be 0.5 of its original value? A. 0 B. 30 C. 45 D. 90 16. The intensity of polarized light after passing through two polarizers whose axes of transmission are a with each other is given by A.Ampere's law B. Gauss's law C. Malus's law D. Maxwell's equation 17. Which wave is used in wireless communication such as bluetooth? A.Infrared B. Microwave C. Radio D. Ultraviolet 18.If light refracts and the angle of refraction is smaller, what is the density of light? B.Dense to less dense C. Dense to dense D. Less dense to less dense A.Less dense to dense 19.All but one is a characteristics of the image formed on a plane mirror. C. Image is of the same size D. Image is real A.Image is virtual B.Image is upright 20.A boy is standing 1.2 m in front of a plane mirror. His dog is 0.5m directly in front og him. How far is the B. 0.7 m C. 1.9 m D. 2.0m image of the dog from the boy? A. 2.4m 21. What is the term used for the center of a spherical mirror? C. Radius of curvature D. Principal axis A.Vertex B. Center of curvature 22. What type of mirror always form an image that is virtual, upright and smaller? C. Plane D. Spherical A.Concave B. ConvexA.Upright 23.If the magnification of an image is negative, the image is ? B. Inverted 24. Which among the choices is a lens that is converging? A.Convex C. Right side up D. Transverse 25.In lenses, what is the distance from optical center and principal focus? A.Secondary focus B. Concave C. Spherical D. Flat B. Focal point C. Focal length 26.In the laboratory, you have observed the image formed on a double convex lenis, what happens to the image D. Principal axis if the distance of the object is twice its focal length? A. Real, Inverted and smaller B.Real, inverted and bigger C.Real, upright and smaller D.Virtual, upright and smaller 27. How far from a convex lens of focal length 25.0cm must an object be placed to produce an image that is inverted and magnified twice? A. 50 cm B. 70 cm 28. Why are lenses coated with thin film? C. 25 cm D: 37.5cm A. To reduce diffraction| B. To reduce polarization C. To reduce reflection D. To reduce refraction 29. You are in a windowless spacecraft. You need to determine whether your spaceship is moving at constant nonzero velocity, or is at rest, in an inertial frame of Earth. B. A. You can succeed by making very precise time measurements. You can succeed by making very precise mass measurements. C. D. You can succeed by making very precise length and time measurements. You cannot succeed no matter what you do. 30.You and your friend recede from each other in spacecraft in deep space without acceleration, In an Inertial frame on your spaceship, your friend is receding at a speed of 0.9999c. If you direct s light beam at your friend, and your friend directs a light beam at you, then A.neither beam will reach the ship to which it is directed B. you will see your friend's light arrive at a speed of 2c, and your friend will see your light arrive at a speed of 2c C. you will see your friend's light arrive at a speed of c, and your friend will see your light arrive at a speed of c Drone of you will see light arrive at a speed of c, and the other will see light arrive at 2c 31. Simultaneity is . A. Absolute B. dilated C. invariant D. relative 32. A Klingon spaceship is approaching Earth at approximately 0.8c measured relative to Earth. The spaceship directs a laser beam forward directly through your physics classroom window. You measure the speed of this light to be A. 1.8c B. 1.0c C. 0.8c D. 0.2c 33. You are an astronaut heading out toward a star. In the inertial frame of the star, you are steering directly for the star and are moving at constant speed. You can determine that you are in motion by C. the slowing down of on-board clocks A. your increase in mass D. the contraction of on-board meter sticks B. the increase in your heart rate 34. A clock, designed to tick each second, is moving past you at a uniform speed. You find the moving clock to be A. Accurate B. ticking slowly C. ticking quickly D. running backward 35. What is the half-life process? C. The time it takes for half of the atom to decay. A. Process of achieving radioactivity. D. The time it takes for half of the radioactive atoms to de B. Process of emitting high energy particles. f life of a radioactive isotope is 1 day. After a day, it is reduced to . At the end of three days, the amount D. 1/16 B. 1/4 C. 1/8 B. time C. mass D. die A. volume 5 n? A. 0.38 g B. 0.42g C.0.47g DDur A.Upright 23.If the magnification of an image is negative, the kinage is ? B. Inverted 24. Which among the choices is a lens that is converging? A.Convex C. Right side up D. Transverse 25.In lenses, what is the distance from optical center and principal focus? B. Concave C. Spherical D. Flat A.Secondary focus B. Focal point C. Focal length 26.In the laboratory, you have observed the image formed on a double convex lens, what happens to the image D. Principal axis if the distance of the object is twice its focal length? A. Real, Inverted and smaller 8.Real, Inverted and bigger C.Real, upright and smaller D.Virtual, upright and smaller 27. How far from a convex lans of focal length 25, Dem must an object be placed to produce an image that is inverted and magnified twice? A. 50 cm 8. 70 cm 28. Why are lenses coated with thin filmi 25 cm D. 37.5cm A. To reduce diffraction B. To reduce polarization C. To reduce reflection D. To reduce refraction 29. You are in a windowless spacecraft, You need to determine whether your spaceship is moving at constant nonzero velocity, or is at rest, in an inertial frame of Earth. A. You can succeed by making very precise time measurements. B. You can succeed by making very precise mass measurements. C. You can succeed by making very precise length and time measurements. D. You cannot succeed no matter what you do. 30. You and your friend recede from each other in spacecraft in deep space without acceleration, In an Inertial frame on your spaceship, your friend is receding at a speed of 0.99990. If you direct a light beam at your friend, and your friend directs a light beam at you, then A.neither beam will reach the ship to which it is directed B. you will see your friend's light arrive at a speed of 2c, and your friend will see your light arrive at a speed of 2c C.you will see your friend's light arrive at a speed of t, and your friend will see your light arrive at a speed of c D.one of you will see light arrive at a speed of c, and the other will see light arrive at 2c 31. Simultaneity is _ A. Absolute B. dilated C. invariant D. relative 32. A Klingon spaceship is approaching Earth at approximately 0.Sc measured relative to Earth. The spaceship directs a laser beam forward directly through your physics classroom window. You measure the speed of this light to be A. 1.8c B. 1.0c C. 0.8c D. 0.2c 33. You are an astronaut heading out toward a star. In the inertial frame of the star, you are steering directly for the star and are moving at constant speed. You can determine that you are in motion by A. your increase in mass C. the slowing down of on-board clocks B. the increase in your heart rate D. the contraction of on-board meter sticks 34. A clock, designed to tick each second, is moving past you at a uniform speed. You find the moving clock to be A. Accurate B. ticking slowly C. ticking quickly D. running backward 35. What is the half-life process? A. Process of achieving radioactivity. C. The time it takes for half of the atom to decay. B. Process of emitting high energy particles. D. The time it takes for half of the radioactive atoms to decay. 36. The half-life of a radioactive isotope is 1 day. After a day, it is reduced to 12. At the end of three days, the amount of the D. 1/16 remaining isotope is A. 1/2 B. 1/4 C. 1/8 A. volume B. time C. mass D. distance 37. Half-life refers to the amount of 38. A sample containing carbon-14 has a mass of 15 g. What is the amount after 5 n? A. 0.38 g B. 0.42g C. 0.47g D. 0.52g "For numbers 39-40, refer to the given table. act half-life? ELE HALF-LIFEreach the ship to which it in ilasted 31. Simultaneity is . your friend's light arrive at a speed of te, and your friend wa co pour toot amini noted " C. you will see your friend's light arrive at a spend of s, and your friend and see your Bent wiein ate opted off D.one of you will see light arrture at a speed of s, and the athar will pas fight arifre at 20 beam forward directly through your physkied A. Alsolute D. dilated C Iwartom 32. A Klingon spaceship to approaching Earth at approximately 0.Be massured ralsites to Earth, The spaceship directs s how D. relative Al.Sc B. 10c COBc D.ON w. You me ature the speed of this light to bos- 33. You are an astronaut heading out toward a star. In the inertial frame of the star, you are steering sirecian for the ner and are moving at constant speed. You can determine that you are in motion by A. your increase in mass B. the increase in your heart rate C. the slowing down of on board clocks D. the contraction of on-board meter sticks 34. A clock, designed to tick each second, is moving past you at a uniform speed. You find the moving clock to be A. Accurate 8. ticking slowly C. ticking quickly 35. What is the half-life process? D. running backward A. Process of achieving radioactivity. B. Process of emitting high energy particles. C. The time it takes for hall of the atom to decay. D. The time it takes for half of the radioactive atoms to decay. 36. The half-life of a radioactive isotope is 1 day. After a day, it is reduced to X. At the end of three days, the amount of the remaining isotope is A. 1/2 B. 1/4 37. Half-life refers to the amount of C. 1/8 D. 1/16 38. A sample containing carbon-14 has a mass of 15 g. What is the amount after 5 n? A. 0.38 g B. 0.42g C.047g D.0.57g A. volume B. time C. mass D. distance "For numbers 39-40, refer to the given table. 39. Which element has the longest half-life? ELEMENT HALF-LIFE A. lodine-131 C. Bismuth-212 todine-131 8.07 days B. Polonium-215 D. Sodium-24 Phosphorus-24 14.3 days 40. Which element has the shortest half-life? Sodium-24 15 hours A. lodine-131 C. Bismuth-212 Polonium-215 10.0012 seconds Bismuth-212 160.5 minutes E. Polonium-215 D. Sodium-24 PERFORMANCE TASK 2 This part will be recorded as your performance task. DIRECTIONS: Solve the following. USE THE ANSWER SHEET PROVIDED. Problem 2: After 3 half-lives, how much of a 400 grams Problem 1: A spaceship travels at 0.99c for 3 years ship time. sample of uranium remains? How long would it take to pass on the Earth? A. What is the question asked? Lanange A. What is the question asked? B. What are the given? B. What are the given? C. Show your solution. D. What is your final answer? Encircle your final answer. C. Show your solution. D. What is your final answer? Encircle your final