II. PROBLEM SOLVING NUMBER 1 ONLY B. sound and magnetic wavesC. electric and wave componentD. sound and electric component11. During Einstein's Photoelectric Experiment, what changes are observed when the frequency of the incidentradiation is increased?A. The value of saturation current increasesB. The value of stopping potential increasesC. The value of stopping potential decreasesD. No effect12. A radioactive source has a half-life of 80 s. How long will it take for 7/8 of the source to decay?B. 70 sC. 240 sD. 640 sA. 10 s13. Who is responsible for the model of the atom where electrons travel in specific paths or orbits around thenucleus?A. EinsteinB. BohrC. PlanckD. Dalton14. What is the percentage of a 200g sample of Nitrogen-16 that decays to 12.5g in 21.6 s?B. 6.25%C. 25%A. 12.5%15. Thallium-208 has a half-life of 3.053 min. How long does it take for 120g to decay to 7.50?B. 6.106 minC. 48.84 min D. 12.21 minA. 21.12 minDirections: So the following problems and show your solution in the box below ONLY. Put a small box toyour final answer. Utilize the space and make sure your final answers INCLUDE UNITS! Strictly NOII- Solvingand make sure youranswers INCLUDE UNITS! Strictly NOindicateERASURES.unor1. A coil of wire is situated in a 0.45 T uniform magnetic field. The area of the coil is 4.0 m?. What is themagnetic flux if the angle between the magnetic field and the normal to the surface of the coil is 45°considering 100 turns? After 5 seconds, the magnetic field is now parallel to the normal to the surface. Whatis the induced emf?Two polaroid A and B are kept with their transmission axes at an angle 0 with respect to one another. If thetransmitted intensity of light It=0.75 Io where Io is the intensity of light incident on the system then find 0.2.

Answered: Image /qna-images/answer/dc4a9ffb-bf9b-42ba-9e96-68c07165bf8e.jpg

1. A coil of wire is situated in a 0.45 T uniform magnetic field. The area of the coil is 4.0 m2. What is the magnetic flux if the angle between the magnetic field and the normal to the surface of the coil is 450 considering 100 turns? After 5 seconds, the magnetic field is now parallel to the normal to the surface. Whar is the induced emf?