Problem 2: A football leaves the foot of a punter at an angle of 54° (positive x-direction) at a speed of 21 m/s. Determine the…
Problem 1: A person throws a ball straight up with a speed of 12 m/s. If the bus is moving at 25 m/s, what is…
Vectors and Equilibrium, Numerical Problems See here numerical problems on Vectors and Equilibrium included in the new course of First Year Physics. S.NoProblemProblem 1A person…
X-rays explained in Urdu ایکس- ریز پیدا کرنے کے لیے ضروری عمل یہ ہے کہ ایٹم کے اندرونی شیلز میں سے کسی الیکٹران کو نکال…
Question 2: What are Bohr’s postulates about Hydrogen atom? Hence derive expressions for (i) radii of electron orbit (ii) energy of the electron. Answer Bohr’s…
Comprehensive Questions, Vectors and EquilibriumThis page consists of solved comprehensive questions of Vectors and Equilibrium (Chapter 2) included in the new course of First Year…
Multiple Choice Questions Measurement, Physics 11 Choose the best possible answer; What is the radian measure between the arms of watch at 5:00 pm? A.…
Question 10: A central force is one that is always directed towards the same point. Can a central force give rise to a torque about…
Question 9: Explain the warning, ‘never use a long wrench to tighten a small bolt’. Answer When we tighten (or loosen) a bolt with a…