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which of the following scientists is responsible for the exclusion principle which states that two objects may not occupy the same space at the same
what is the name of the first american physicist to win two nobel prizesansjohn bardeen was the first american physicist who win two nobel
if the resultant force acting on a body of constant mass is zero the bodys momentum isa increasingb decreasingb always zerod constantansif the
in physics a radian per second is a unit of a angular displacementb angular velocityc angular accelerationd angular momentumansa radian per second is
a machine performs 8 joules of work in 2 seconds how much power is delivered by this machineansthe power is delivered by this machine is 4
which quantum number is not related with schrodinger equation 1 principal 2 azimuthal 3
the equation delta x deltap ge h 4pi shows1 de-broglie relation 2 heisenbergs uncertainty principle 3
a 40 kilogram girl climbs a vertical distance of 5 meters in twenty seconds at a constant velocity how much work has the girl doneans2000 joules or
the uncertainty in the position of a moving bullet of mass 10 gm is 10 -5m calculate the uncertainty in its velocity1 52 x 10-28
if the distance between two objects each of mass m is tripled the force of attraction between the two objects is a 12 the original forceb 13
the uncertainty in momentum of an electron is 1 x10 -5 kg- ms the uncertainty in its position will be h 662 x 10 -34 kg - m2 s1 105 x 10-
a helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground at the instant the helicopter is 60
the uncertainty principle and the concept of wave nature of matter was proposed by and respectively1 heisenberg de broglie2 de-broglie
a certain spring is known to obey hookes law if a force of 10 newtons stretches the spring 2 meters how far will a 30 newton force stretch the
uncertainty principle gave the concept of1 probability2 an orbital3physical meaning of psi the psi 4all the aboveans
a 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest
if uncertainty in the position of an electron is zero the uncertainty in its momentum would be1 zero 2 lth 2 gamma 3
a block of metal which weighs 60 newtons in air and 40 newtons under water has a density in kilograms per meter cubed of a 1000b 3000c 5000d 7000ansa
simultaneous determination of exact position and momentum of an electron is1 possible2 impossible3 sometimes possible sometimes impossible4 none of
a box is initially at rest on a horizontal frictionless table if a force of 10 newtons acts on the box for 3 seconds what is the momentum of the box
the maximum probability of finding an electron in the d xy orbital is1 along the x-axis2 along the y-axis3 at an angle of 45 0 degree
a boy throws a ball vertically upward with a velocity of 6 meters per second how long does it take the ball to return to the boys handansa boy throws
a certain machine exerts a force of 200 newtons on a box whose mass is 30 kilograms the machine moves the box a distance of 20 meters along a
which one is not the correct relation in the following 1 h e v
a toy train moves in a circle of 8 meters radius with a speed of 4 meters per second what is the magnitude of the acceleration of the trainansthe