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
a massless spring of lenght l and spring constant k is placed vertically on a table a all od mass m is just kept
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 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
The one dimensional motion of a point
the lower edge of a square slab side 50cm and thickness 20cm is rigidly fixed to the base of a table A tangential
A cylindrical tube open at both the ends has fundamental frequency n.
The de-Broglie wavelength
a person observe that the full length of a train subtend an angle of 15â°
An electron is moving with a velocity 2 x 10â¶m/s along positive x direction in the uniform
it takes 4.6 eV to remove one of the least tightly bound electrons from a metal surface when monochromatic photons strike the meta..
if the emission rate of blackbody at 0â°C is R
Gd (64) has__unpaired electrons with sum od spin
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
8g of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g remains
two particles A and B of same mass have their de Broglie wavelength in the ratio
consider the following compounds
which of the following compounds are aromatic
for a P-N Junction diode
An oscillator circuit an inductor 0.05H and a capacitor 80uf.
A decay chain of the nucleus
which element has the highest first ionization potential
Portland cement does not contain
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 ..
The mean momentum of a nucleon in a nucleus with mass number A varies as
The period of oscillation of a simple pendulum is given by
AI2 (SO4) is used in the following but not
A carnot engine whose low temperature reservoir is at 350k has an efficiency of 50% it is desired to increase this to 60%
phenylacetylene on treatment with
CO ion moving with kinetic energy of 20 KeV dissociated into O and C which move along the parent ion direction
if the rms value of sinusoidal input to a full wave rectifier is
The displacement of a wave is represented by y
The electric field of certain radiation is given by the equation
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