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Q1. Laser light at 635nm falls on a double-slit apparatus with slit separation 6.9*10^-6m. Find out the separation between the third and fourth bright fringes, as seen on the screen 2.4m from the slits.
Q2. Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space station. The gravitational force is negligible.
When two tuning forks of 128 Hz and 149 Hz, respectively, are sounded simultaneously, how various beats per second are heard.
A harmonic wave travels in a wire with amplitude 6.05 mm, wavelength 0.451 m, and frequency 462 Hz. What is speed with which the wave travels.
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
How far will it travel before becoming airborne
How the system comes to thermal equilibrium
What is rms speed of the atoms at temperature
How much work is completed in charging the capacitor
What are the displacement and velocity of the point on the cord. What is the magnitude of the acceleration of one of the liners toward the other because of their mutual gravitational attraction.
Estimation instantaneous rate of evaporation
What is the horizontal distance the airplane engine falls. find out the time that was recorded on Earth.
Find out the gravitational potential energy
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