Problem 3: An electron which has a mass of 9.11 × 10-31 kg, moves with a speed of 0.75 c. Find its relativistic momentum and…
Problem 2: The time period of a pendulum is measured to be 3 s in the inertial frame of the pendulum. What is the period…
The length of a spaceship is measured to be exactly one-third of its proper length. What is the speed of the spaceship relative to the…
Advent of Modern Physics, Numerical Problems See here solved numerical problems of Advent of Modern Physics, Chapter 8, Second Year Physics. S .No Problem Problem…
ٹون پیراڈوکس دس سال پہلے آپ نے موٹرسايیکل خریدی تھی جو کہ بدقسمتی سے اتنی اچھی نہیں تھی اور گزرے دس سالوں میں آپ نے…
Question 7: Show that (a) KE = ½ mv2 (b) PEg = mgh Solution If the dimensions on both sides of the equations are same,…
Question 6: Find the dimensions of Planck’s constant ‘h’ from formula E = hf, where E is energy and f is frequency. Gravitational constant ‘G’…
Calculate the answer up to appropriate numbers of significant digits. Solution (a): Calculation of mass of proton to mass of electron ratio Now in the…
Problem 4: Calculate the answer up to appropriate numbers of significant digits: (a) 246.24 + 238.278 + 98.3 (b) (1.4 × 2.639) + 117.25 (c)…
Problem 3:Determine the area of a rectangular sheet with length (l ± Δl) = (1.50 ± 0.02) m and width (w ± Δw) = (0.20…