a massless spring of lenght l and spring constant k is placed vertically on a table a all od mass m is just kept
two infinity long parallel plate of equal areas 6cmÂ² are separated by a distance of 1cm
Huygens wave theory of light cannot explain
an electric dipole consists of two changes of 0.2 C separated by a distance of 2.0 cm the dipole is placed in an external electric..
The one dimensional motion of a point
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
consider a vertical emitting sound wave of frequency 700Hz moving toward an observer at a speed 22m/s
A cylindrical tube open at both the ends has fundamental frequency n.
The de-Broglie wavelength
the lower edge of a square slab side 50cm and thickness 20cm is rigidly fixed to the base of a table A tangential
for a P-N Junction diode
An electron is moving with a velocity 2 x 10â¶m/s along positive x direction in the uniform
a person observe that the full length of a train subtend an angle of 15â°
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 effective nuclear charge of an element with three valence electrons 2.60. what is the atomic number of the element
two particles A and B of same mass have their de Broglie wavelength in the ratio
consider the following compounds
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
Five moles of an ideal monoatomic gas with an intial temperature of 150â°C expand and in the process absorb 1500j of heat and ..
A decay chain of the nucleus
Portland cement does not contain
Two soap bubbles od radii 3mm and 4mm confined in vaccum coalesce isothermally to form a new bubble
An oscillator circuit an inductor 0.05H and a capacitor 80uf.
A carnot engine whose low temperature reservoir is at 350k has an efficiency of 50% it is desired to increase this to 60%
if the emission rate of blackbody at 0â°C is R
Gd (64) has__unpaired electrons with sum od spin
AI2 (SO4) is used in the following but not
which of the following compounds are aromatic
The mean momentum of a nucleon in a nucleus with mass number A varies as
which element has the highest first ionization potential
The period of oscillation of a simple pendulum is given by
phenylacetylene on treatment with
if the rms value of sinusoidal input to a full wave rectifier is
The displacement of a wave is represented by y
wavelength of the wave eifh 30 MHz frequency is
CO ion moving with kinetic energy of 20 KeV dissociated into O and C which move along the parent ion direction
a wheel rotating at 12 rev/s is brought to rest in 6s the average angular deceleration in rad/sÂ² of the wheel during this proce..
when SO gas is passed into aqueous
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