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in the nuclear reaction 12252texd12453i the symbol dindicates deuterium nucleus 21h what can be concluded regarding xa
a radioactive isotope has an activity of 932times104 bq initially after 355 hours the activity is 671times104 bqa what
a cylindrical solenoid 40cm long with a radius of 5 mm has 300 tightly wound turns uniformly distributed along its
1 derive the electric field due to a dipole explain all the steps2 a sphere with radius 2 cm is placed at a location
the deflection plates in an oscilloscope are 10cm by 2cm with a gap distance of 1mm a hundred volt potential difference
1 explain why you are safe and unaffected inside a car that is struck by lightning also explain why it might not be
for n2 at 25oc and 100 atm calculate the number of collisions per second made by one molecule the number of collisions
the wavelength of red heliumndashneon laser light in air is 6328 nma what is its frequencyhzb what is its wavelength in
the index of refraction for red light in water is 1331 and that for blue light is 1340 a ray of white light enters the
the proper length of one spaceship is three times that of another the two spaceships are traveling in the same
which of the following does not produce a magnetic fielda a constant current through a straight wireb a charged
the lens of a slide projector with a focal length of a 120 mm projects a slide onto a screen that is 13 m away how far
the energy levels of a localized particle are 0 epsilon and 2 epsilon the middle level is doubly degenerate and the
a muon and an antimuon are moving in opposite directions with velocities of -04 c and 04 c respectively when they
the top of pikes peak is 14100 ft above sea level neglecting the variation of t with altitude and using the average
suppose that in a hypothetical oil-drop experiment you measure the following values for the charges on the drops
for the infinite square well problem an electron spends 40 of its time in the n3 state and 60 of its time in the n5
two asteroids head straight for earth from the same direction their speeds relative to earth are 079c for asteroid 1
two polarizers are out of alignment by 30deg if light of intensity 757 wm2 and initially polarized halfway between the
calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density
assuming the specific heat of the body is the same as water calculate the temperature rise due to a total body dose of
a collimated gamma ray beam consists of equal numbers of 01 mev and 10 mev photons if the beam enters a 5 cm thick lead
an inductor of l 35h is connected to 12v battery a 15 resistora when the energy in the inductor is 23 of its maximum
a solenoid with 500 tunrs per cm length 18cm radius of r10mm and a resistance of r20 the coil carries a current i2a a