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
Five moles of an ideal monoatomic gas with an intial temperature of 150â°C expand and in the process absorb 1500j of heat and ..
for a P-N Junction diode
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
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..
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..
Connect With Answers
We are available 24x7 to answer.
TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].