Back to Course POST-UTME: LAUTECH – PHYSICS 0% Complete 0/0 Steps Quizzes 2011/2012 LAUTECH Physics Post-UTME 2010/2011 LAUTECH Physics Post-UTME 2009/2010 LAUTECH Physics Post-UTME 2008/2009 LAUTECH Physics Post-UTME 2007/2008 LAUTECH Physics Post-UTME 2006/2007 LAUTECH Physics Post-UTME Follow Quiz 5 of 6 ← Previous Next→ 2007/2008 LAUTECH Physics Post-UTME POST-UTME: LAUTECH – PHYSICS 2007/2008 LAUTECH Physics Post-UTME Time limit: 0 Quiz Summary 0 of 10 Questions completed Questions: Information You have already completed the quiz before. Hence you can not start it again. Quiz is loading… You must sign in or sign up to start the quiz. You must first complete the following: Results Quiz complete. Results are being recorded. Results 0 of 10 Questions answered correctly Your time: Time has elapsed You have reached 0 of 0 point(s), (0) Earned Point(s): 0 of 0, (0) 0 Essay(s) Pending (Possible Point(s): 0) Categories Not categorized 0% 1 2 3 4 5 6 7 8 9 10 Current Review Answered Correct Incorrect Question 1 of 10 1. Question A car accelerates from 3ms4 to 100ms-1 in 35s. Calculate the acceleration of the car. 2ms-2 3ms-2 4ms-2 5ms-2 Correct Incorrect Question 2 of 10 2. Question A body of mass 2kg moves round a circle of radius 2m with a constant speed of 165m/s. Calculate the force toward the center. 40N 50N 80N 100N Correct Incorrect Question 3 of 10 3. Question A girl of mass 65kg falls from a bridge that is 50m above the water. Calculate her kinetic energy after falling for 5secs 1125J 28125J 9375J 81250J Correct Incorrect Question 4 of 10 4. Question Which of the following is a mechanical wave? Micro wave Water wave X-ray Infra-red ray Correct Incorrect Question 5 of 10 5. Question The half-life of the radioactive substance of mass 100g is 30 minutes. What fraction of the original mass is left over after 3hrs? 3.125 6.25 1.5625 0.02563 Correct Incorrect Question 6 of 10 6. Question Two resistors, 12Q and 8Q are connected in parallel, if the power developed in I2U, resistor is 6W, determine the power developed in 3.32 resistor. 9W 12W 16W 24W Correct Incorrect Question 7 of 10 7. Question How long will 60 watt element take to heat water of mass 0.5kg at 30⁰C to 90⁰C? Neglect heat loss (S.H.C of water = 4200JKg-1K-1) 350secs 1260 secs 2100 secs 1500secs Correct Incorrect Question 8 of 10 8. Question The critical angle of glass is 42⁰, the approximate refractive index of this glass is 1.50 1.38 1.80 2.30 Correct Incorrect Question 9 of 10 9. Question The second harmonic motion of a string 1.5m long fixed at both ends is 80Hz. The speed of the transverse wave in the string is 12.0m/s 120m/s 2.12m/s 102m/s Correct Incorrect Question 10 of 10 10. Question The echo produced when a motion is fired from a ship some distance from cliff is heard 1.2 seconds later. Calculate the distance of the ship (if the velocity of sound in air = 330m/s) 138m 198m 275m 296m Correct Incorrect Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Inline Feedbacks View all comments