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The mean life time of a radionuclide, if its activity decreases by 4% for every 1 h, would be (product is non-radioactive, i.e., stable) i.e if its activity decreases by 4% for every 1 h stable) The mean life time of a radionuclide would be (product is non-radioactive October 17, 2020 Category: Uncategorised (JEE Advanced [...]

A proton of mass m moving with a speed v0 approaches a stationary proton that is free to move. Assume impact parameter to be zero, i.e., head-on collision. How close will the incident A proton of mass m moving with a speed v0 approaches a stationary proton that is free to move. Assume impact parameter [...]

4. ABC is a triangle in which altitudes BE and CF to sides AC and AB are equal (see Fig. 7.32). Show that (i) ΔABE ΔACF (ii) AB = AC, i.e., ABC is an isosceles triangle. 4. ABC is a triangle in which altitudes BE and CF to sides AC and AB are equal (see [...]

To find out the concentration of SO^2 in the air (in parts per million, i.e., ppm), the data was collected for 30 localities in certain city and is presented below: Find the mean concentration of SO2 in the air. i.e ppm) the data was collected for 30 localities in certain city and is presented below: [...]

Let us consider Example 2 in Section 3.3, i.e., the cost of 2 pencils and 3 erasers is Rs 9 and the cost of 4 pencils and 6 erasers is Rs 18. Find the cost of each pencil and each eraser. i.e Let us consider Example 2 in Section 3.3 the cost of 2 pencils [...]

Two blocks are connected by a massless string that passes over a frictionless peg as shown in Fig. 8.223. One end of the string is attached to a mass m1 = 3 kg, i.e., a distance R = 1.20 m from the peg. a distance R = 1.20 m from the peg. i.e Two blocks [...]

The nucleus of the deuterium atom, called the deuteron, consists of a proton and a neutron. Calculate the deuteron’s binding energy, given atomic mass , i.e., the mass of a deuterium nucleus plus called the deuteron consists of a proton and a neutron. Calculate the deuteron's binding energy given atomic mass i.e the mass of [...]

If the K alpha radiation of Mo (Z = 42) has a wavelength of 0.71 A, calculate wavelength of the corresponding radiation of Cu, i.e., K alpha for Cu (Z=29) assuming b = 1. calculate wavelength of the corresponding radiation of Cu i.e If the K alpha radiation of Mo (Z = 42) has a [...]

In the arrangement shown in figure the bodies have masses m0, m1, m2. Find the acceleration of m2 taking ideal conditions, i.e, pulleys are massless and smooth and threads are light. i.e In the arrangement shown in figure the bodies have masses m0 m1 m2. Find the acceleration of m2 taking ideal conditions pulleys are [...]