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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
in heisenbergs uncertainty equation delta x timesdelta p ge h 4 pi stands for1 uncertainty in energy 2 uncertainty in velocity3
a ball leaves a girls hand with an upward velocity of 6 meters per second what is the maximum height of the ball above the girls handansa ball
the position and velocity of a small particle like electron cannot be simultaneously determined this statement is1 heisenberg uncertainty
two forces have magnitudes of 11 newtons and 5 newtons the magnitude of their sum could not be equal to which of the following valuesa 16 newtonsb 5
a pendulum which is suspended from the ceiling of a railroad car is observed to hang at an angle of 10 degrees to the right of vertical which of
according to heisenberg uncertainty principle1 emc2
as defined in physics work is a a scalar quantityb always a positive quantityc a vector quantityd always zeroansas defined in physics work is a
the work done by a friction force is a always positiveb always negativec always zerod either positive or negative depending upon the situation ans
work is equal to which of the following a the cross product of force and displacementb the product of force times timec force divided by timed the
which is the correct relationship between wavelength and momentum of particles1 gamma h p
a boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second the boy throws a ball vertically
calculate de-broglie wavelength of an electron travelling at 1 of the speed of light1 273 x 10- 24
how yield of ether is highest when the halide ion is displased from a primary rather than secondary or tertiary
dual nature of particles was proposed by1 heisenberg2 lowry3 de-broglie 4
a cricket ball of 05 kg is moving with a velocity of 100 m sec the wavelength associated with its motion is1 1 100cm
a 200g golf ball is moving with a speed of 5 m per hour the associated wave length h 6625 x 10 -34 j secis1 10- 10 m
for an object moving in uniform circular motion the direction of the instantaneous acceleration vector is w tangent to the path of motionx
a newton is equal to which of the following a kilogram-meter per secondb meter per second squaredc kilogram-meter per second squaredd
if the velocity of hydrogen molecule is 5x 10 4 cm sec-1 then its de-broglie wavelength is 1 2 aring 2 4 aring 3 8
what is the de-broglie wavelength associated with the hydrogen electron in its third orbit1 996x 10-10