Problem 3: Calculate the longest wavelength of radiation for the Paschen series. Solution Paschen series radiations come from the transitions in the third orbit from…
Problem 2: What is the wavelength of 2nd line of Paschen series? Solution In case of Paschen series, the transition of electrons takes place in…
Problem 1: What is the shortest wavelength photon emitted in the Lyman series of hydrogen? Solution The general equation for the wavelengths in the hydrogen…
Atomic Spectra, Numerical Problems This page consists of numerical problems included in the second year Physics course. S.No Problem Problem 1 Find the shortest wavelength…
Problem 7: A uniform rod 1 m long with weight 6 N can be supported in a horizontal position on a sharp edge with weights…
Problem 6: The magnitudes of dot and cross product of two vectors are 6√3 and 6 respectively. Find the angle between the vectors? Solution We…
Problem 5: Vector F having magnitude 5.5 N makes 10° with x-axis and vector r with magnitude 4.3 m makes 80° with x-axis. What is…
Question 4: Find the magnitude and direction of vector represented by the following pair of components. (a) Ax = -2.3 cm, Ay = 4.1 cm…
Problem 3: A 1.84 kg school bag hangs in the middle of a clothesline (طناب), causing it to sag (dip) by an angle θ =…