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
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 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°
consider a vertical emitting sound wave of frequency 700Hz moving toward an observer at a speed 22m/s
Gd (64) has__unpaired electrons with sum od spin
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
it take 4.6eV to remove one of the lead
st tightly bound electrons from a metal surface
consider a wire with density (d) and stress
An oscillator circuit an inductor 0.05H and a capacitor 80uf.
the effective nuclear charge of an element with three valence electrons 2.60. what is the atomic number of the element
A cylindrical tube open at both the ends has fundamental frequency n.
The de-Broglie wavelength
a massless spring of lenght l and spring constant k is placed vertically on a table a all od mass m is just kept
in a measurement the random error
The period of oscillation of a simple pendulum is given by
the lower edge of a square slab side 50cm and thickness 20cm is rigidly fixed to the base of a table A tangential
two particles A and B of same mass have their de Broglie wavelength in the ratio
Huygens wave theory of light cannot explain
AI2 (SO4) is used in the following but not
eight grams of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g
wavelength of the wave eifh 30 MHz frequency is
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
for a P-N Junction diode
a simple Harmonic motion is represented by
speech signal is in the range of
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..
for a zener diode
which of the following is not true about a catalyst
Two soap bubbles od radii 3mm and 4mm confined in vaccum coalesce isothermally to form a new bubble
A decay chain of the nucleus
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..
an electron a neutron and an alpha particle have same kinetic energy and their de Broglie wavelengths are
if a magnet is dropped throug a vertical hollow copper tube then
The electric field of certain radiation is given by the equation
consider the following compounds
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