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a light ray strikes glass of an aquarium at an angle of 45o degrees and emerges in water at an angle of 317o determine
determine where must an object be placed if front of a mirror with focal distance 1 meter in order to produce an image
the earths magnetic field is essentially that of a magnetic dipole if the field near the north pole is about 10 x 10-4
a 01 h inductor 100 omega resistor and a capacitor are connected in series to a 36 volt ac generator compute the
a 120 volt to 220 volt step-up transformer consumes 10 amp current in the primary coil which has 600 turns determine
a fixed 169 centimeter diameter wire coil is perpendicular to a magnetic field 044t pointing up in 017 seconds the
determine far point distance of a nearsighted eye which requires a -4d correcting
a double slit that is illuminated with coherent light of wavelength 644 nanometers produces a pattern of bright and
when certain light rays pass from a vacuum into a block of an unknown material the measured index of refraction of the
one electron collides elastically with a second electron initially at rest after the collision the radii of their
a solenoid of diameter 2 centimeter and length 15 centimeter develops a 03 t magnetic field at a current of 15 amp
two 10 meter parallel wires located at a distance 04 meter and carrying equal currents attract each other with a force
two parallel wires located at a distance 04 meter and carrying equal currents attract each other with a force of 2 mn
an electron is in circular motion of with a speed of 2 x 104 meter per second while in a 40 mt magnetic field determine
a 2 meter straight wire carrying 5 amp current runs horizontally and experiences 8 newton horizontal force while in a 2
if a virtual image is formed 10 centimeter along the principal axis from a convex mirror of focal length 15 centimeter
electromagnetic waves and sound waves can have the equal frequency find the wavelength of a 120 khz electromagnetic
a rocket is launched straight up from the earths surface at a speed of 14500 meter per second find its speed when it is
two stars 19 light-years away are barely resolved by a 55 centimeter mirror diameter telescope determine how far apart
a student constructs an astronomical telescope with a magnification of 10 if the telescope has a converging lens of
a weather balloon contains 12 m3 of hydrogen gas when it is released from a location at which the temperature is
determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and
an object is located 40 centimeter in front of a lens of focal length 40 centimeter a second lens is located 17
to examine a particular blood sample in biology lab a scholar uses a compound microscope set to have a magnification of
a person steps out of the shower and dries off the persons skin with an emissivity of 070 has a total area of 12 m2 and