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
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%
An electron is moving with a velocity 2 x 10â¶m/s along positive x direction in the uniform
Gd (64) has__unpaired electrons with sum od spin
The de-Broglie wavelength
if the emission rate of blackbody at 0â°C is R
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
consider a wire with density (d) and stress
a massless spring of lenght l and spring constant k is placed vertically on a table a all od mass m is just kept
The period of oscillation of a simple pendulum is given by
the effective nuclear charge of an element with three valence electrons 2.60. what is the atomic number of the element
it take 4.6eV to remove one of the lead
st tightly bound electrons from a metal surface
A cylindrical tube open at both the ends has fundamental frequency n.
it takes 4.6 eV to remove one of the least tightly bound electrons from a metal surface when monochromatic photons strike the meta..
An oscillator circuit an inductor 0.05H and a capacitor 80uf.
in a measurement the random error
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
for a P-N Junction diode
The mean momentum of a nucleon in a nucleus with mass number A varies as
speech signal is in the range of
wavelength of the wave eifh 30 MHz frequency is
consider a circular wire loop of radius R spinning about a diametrical chord which is perpendicular to a uniform magnetic field
A decay chain of the nucleus
eight grams of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g
Two soap bubbles od radii 3mm and 4mm confined in vaccum coalesce isothermally to form a new bubble
Five moles of an ideal monoatomic gas with an intial temperature of 150â°C expand and in the process absorb 1500j of heat and ..
which of the following compounds are aromatic
Portland cement does not contain
a simple Harmonic motion is represented by
for a zener diode
if a magnet is dropped throug a vertical hollow copper tube then
which of the following is not true about a catalyst
A parallel beam of light of wavelengths 4000 A passes through a slit of width 5 x 10â€Â³ m. the angular spread of the centr..
consider the following compounds
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