Q1: An electron has a de Broglie wavelength of 2.4 pm. Find, the phase and group velocities of its de Broglie waves.

Q: The block of mass 10.0-kg is at rest initially and attached to a spring, and the spring constant is…

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A: Given for worker A, the magnitude of the force is 850 N, the angle of elevation is 30° and the…

Q: A car is approaching at a traffic light at a speed of 15 m per second When the light turns red, the…

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Q: Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the…

A: 1. Given Length of metal change = 10 - 10.02 m Temperature                   = 30 - 80 K

Q: Consider a semiconductor bar with w 0.1 mm, d 10 µm and L-5 mm. for B-104 Wb/cm², and a current of 1…

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Q: We have an electrical circuit whose different elements are connected to an alternating current…

A: The electric field is a vector quantity that arises from electric charge. It also corresponds to…

Q: Q2/(1) If a-i+2j- 3k and 5 4i+7k, then 2d+35 in zerms of i, j, and k is Ji + 2j +4k. 3M (a) True,…

A: Given  Vector a = i + 2 j - 3k Vector b = 4i + 7 k We have to find vector  2a + 3b in terms of i, j…