two infinity long parallel plate of equal areas 6cmÂ² are separated by a distance of 1cm
8g of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g remains
A carnot engine whose low temperature reservoir is at 350k has an efficiency of 50% it is desired to increase this to 60%
a person observe that the full length of a train subtend an angle of 15â°
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
The de-Broglie wavelength
if the emission rate of blackbody at 0â°C is R
Gd (64) has__unpaired electrons with sum od spin
it takes 4.6 eV to remove one of the least tightly bound electrons from a metal surface when monochromatic photons strike the meta..
The period of oscillation of a simple pendulum is given by
consider a wire with density (d) and stress
the effective nuclear charge of an element with three valence electrons 2.60. what is the atomic number of the element
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 cylindrical tube open at both the ends has fundamental frequency n.
it take 4.6eV to remove one of the lead
st tightly bound electrons from a metal surface
in a measurement the random error
An oscillator circuit an inductor 0.05H and a capacitor 80uf.
the lower edge of a square slab side 50cm and thickness 20cm is rigidly fixed to the base of a table A tangential
Huygens wave theory of light cannot explain
two particles A and B of same mass have their de Broglie wavelength in the ratio
AI2 (SO4) is used in the following but not
wavelength of the wave eifh 30 MHz frequency is
for a P-N Junction diode
Five moles of an ideal monoatomic gas with an intial temperature of 150â°C expand and in the process absorb 1500j of heat and ..
consider a circular wire loop of radius R spinning about a diametrical chord which is perpendicular to a uniform magnetic field
eight grams of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g
The mean momentum of a nucleon in a nucleus with mass number A varies as
speech signal is in the range of
Two soap bubbles od radii 3mm and 4mm confined in vaccum coalesce isothermally to form a new bubble
A decay chain of the nucleus
which of the following compounds are aromatic
consider the following compounds
for a zener diode
which of the following is not true about a catalyst
Portland cement does not contain
a simple Harmonic motion is represented by
CO ion moving with kinetic energy of 20 KeV dissociated into O and C which move along the parent ion direction
The electric field of certain radiation is given by the equation
if a magnet is dropped throug a vertical hollow copper tube then
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