a man of mass 60kg climbed down using an elevator the elvator had an acceleration 4msÂ² if the acceleration due to gravity
A thin circular ring of mass m and radius R is rotating about uts Ã xis perpendicular to the plane of the ring with constant ang..
a wheel Rotating at 12 rev/s is brought to rest in 6s
which of the following statements is correct
in a measurement the random error
consider a wire with density (d) and stress
two infinity long parallel plate of equal areas 6cmÂ² are separated by a distance of 1cm
Huygens wave theory of light cannot explain
a massless spring of lenght l and spring constant k is placed vertically on a table a all od mass m is just kept
a proton moves with a speed of 5.0 x 10â¶ m/s along the x axis it enters a region where there is magnitude field
A cylindrical tube open at both the ends has fundamental frequency n.
consider a vertical emitting sound wave of frequency 700Hz moving toward an observer at a speed 22m/s
An electron is moving with a velocity 2 x 10â¶m/s along positive x direction in the uniform
consider the following compounds
the effective nuclear charge of an element with three valence electrons 2.60. what is the atomic number of the element
for a P-N Junction diode
A decay chain of the nucleus
a person observe that the full length of a train subtend an angle of 15â°
The de-Broglie wavelength
A carnot engine whose low temperature reservoir is at 350k has an efficiency of 50% it is desired to increase this to 60%
Two soap bubbles od radii 3mm and 4mm confined in vaccum coalesce isothermally to form a new bubble
if the emission rate of blackbody at 0â°C is R
it takes 4.6 eV to remove one of the least tightly bound electrons from a metal surface when monochromatic photons strike the meta..
it take 4.6eV to remove one of the lead
st tightly bound electrons from a metal surface
8g of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g remains
The one dimensional motion of a point
An oscillator circuit an inductor 0.05H and a capacitor 80uf.
Five moles of an ideal monoatomic gas with an intial temperature of 150â°C expand and in the process absorb 1500j of heat and ..
Gd (64) has__unpaired electrons with sum od spin
the lower edge of a square slab side 50cm and thickness 20cm is rigidly fixed to the base of a table A tangential
The mean momentum of a nucleon in a nucleus with mass number A varies as
Portland cement does not contain
AI2 (SO4) is used in the following but not
The displacement of a wave is represented by y
which element has the highest first ionization potential
wavelength of the wave eifh 30 MHz frequency is
if the rms value of sinusoidal input to a full wave rectifier is
The period of oscillation of a simple pendulum is given by
two particles A and B of same mass have their de Broglie wavelength in the ratio
consider the vehicle emitting sound wave of frequency 700Hz moving towards an observer at a speed 22m/s assuming the observer as w..
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