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Q1. An alpha particle (helium nucleus) is travelling along the positive x-axis at 1,250 m/s when it enters a cylindrical tube of radius 0.500 m centered on x-axis. Inside the tube is a uniform electric field of 4.50 x 10-4 N/C pointing in the negative y-direction. How far does the particle travel before hitting the tube wall? Overlook any gravitational forces.
Q2. A plano-convex lens having a radius of curvature of R1 is placed on a concave glass surface whose radius of curvature is R2. Determine the radius of 100th bright ring, assuming 500-nm light is incident normal to the flat surface of the lens.
Q3. Two charged bodies exert the force of .145N on each other. If they are moved so that they are one fourth as far apart, what force is exerted?
Which of following statements is correct
A 260 wooden raft floats on a lake. When an 80 man stands on the raft, it sinks 5.0 deeper into the water. When he steps off, the raft vibrates for a while. What is the frequency of vibration.
A 60.0 kg pole vaulter running at 12.0 m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump?
An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm
What is a density of the block
A meterstick is at rest in an inertial frame S2. If S2 moves with a speed of 0.7c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics. Reply in units of m.
Find out the acceleration of the sled and child
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
Find tension in the back muscle and the compressional force
What is water speed along the boat during the vertical cross
Compute the y-component of acceleration
Distance between focal plane and lens
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