Bogdan L.

Light whose wavelength is 565 𝑛𝑚 is incident on a 0.00600 𝑚𝑚 wide slit. At what angle is the first diffraction minimum located?

A bullet of mass 0.01kg is fired with velocity of [200,0]m/s in to a sack of sand of mass 9.99kg which is swinging from rope. At the moment the bullet hits, the sack has a velocity of [0,0.2]m/s.... more

An amusement park ride called "The Giant Swings" consists of seats suspended by chains from a platform. After the passengers are secured in their seats, the platform rotates and the passengers... more

Two slits are separated by 0.30 mm, but with a finite slit width of 0.075 mm. How many bright fringes will be observed if the wavelength of the laser is 500 nm?

A square coil of side L = 0.1 m and resistance R = 100Ω lying in the horizontal plane is subject to a magnetic field B(t) = Bo sinωt directed vertically (Bo = 0.3 T, ω = 50π Hz).... more

One mole of monatomic gas expands adiabatically until reaching a volume three times the initial one. Assuming that the initial temperature is 100 °C, what will be the work done during... more

One mole of monatomic gas expands adiabatically until reaching a volume three times the initial one. Assuming that the initial temperature is 100 °C, what will be the work done during... more