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Physics

Famous Question

 Famous Question
Question with 10,000 views. This badge can be awarded multiple times.
Awarded 5823 times.
Why doesn't hydrogen have a neutron?
Awarded 1 hour ago
Does 'focal length' mean something different with lenses and pinhole cameras?
Awarded 20 hours ago
Adjoint of momentum operator
Awarded 2 days ago
Norton's dome and its equation
Awarded Jul 1 at 4:57
What is this shadow being cast upon?
Awarded Jun 28 at 9:43
Determine fan sound (dB) based on its rotational speed (RPM)
Awarded Jun 28 at 3:47
The definition of Gaussian State
Awarded Jun 27 at 12:40
Good book on the history of Quantum Mechanics?
Awarded Jun 26 at 15:26
Why is there no current induced when the coil is vertical in an AC generator?
Awarded Jun 25 at 10:32
Why do electric field lines start and end at 90 degree at the surface of a conductor? [duplicate]
Awarded Jun 24 at 19:06
Paper airplane physics
Awarded Jun 24 at 16:52
Are neutrinos affected by gravity?
Awarded Jun 23 at 17:51
Why do propellers look like they are moving really slow when they are moving really fast?
Awarded Jun 22 at 10:27
Why is angular velocity the same for all points on a spinning disk, even though they are at different radii from the center?
Awarded Jun 22 at 5:11
Efficiencies of Coupling Light into a Fiber
Awarded Jun 21 at 17:50
How does autorefractor work?
Awarded Jun 21 at 1:47
Work as force * distance -- what about mass? [closed]
Awarded Jun 20 at 8:22
What is the relationship between symmetry and degeneracy in quantum mechanics?
Awarded Jun 19 at 13:35
Is there a symmetry associated to the conservation of information?
Awarded Jun 19 at 8:07
What makes cheese so effective at absorbing microwaves?
Awarded Jun 18 at 0:34
What would happen to a motor without a split-ring commutator?
Awarded Jun 17 at 7:51
What causes a black-body radiation curve to be continuous?
Awarded Jun 17 at 3:26
Why is the range of a projectile proportional to the square of the initial velocity?
Awarded Jun 16 at 15:57
Using rotation matrix for spin to write x oriented spin in z-spin basis
Awarded Jun 16 at 14:36
Why does the composition of the air does not change with altitude? [duplicate]
Awarded Jun 15 at 17:56
Reasoning Check: Trace of squared mixed-state density matrix
Awarded Jun 15 at 12:00
What is the slowest possible speed?
Awarded Jun 13 at 20:47
How to define orbital angular momentum in other than three dimensions?
Awarded Jun 13 at 14:28
How can the past, the present and the future coexist at the same time? [closed]
Awarded Jun 13 at 8:45
Self-induction in a circular coil
Awarded Jun 11 at 8:46
Why does the cloud in a straight line as if someone draw a line in the sky with a straight edge?
Awarded Jun 10 at 11:19
How does ice melt when immersed in water?
Awarded Jun 8 at 22:46
Are energy and work the same thing?
Awarded Jun 7 at 13:56
Probability current
Awarded Jun 6 at 23:27
First quantization vs second quantization
Awarded Jun 5 at 9:56
If a photon truly goes through both slits (at the same time), then why can't we detect it at both slits (at the same time)?
Awarded Jun 4 at 4:55
Understanding the Reynolds-number scaling problem
Awarded Jun 4 at 2:46
How can a point source emit spherical EM waves when they are forbidden by Maxwell's equations?
Awarded Jun 3 at 16:55
How many photons are received per bit transmitted from Voyager 1?
Awarded Jun 3 at 14:21
Local and Global Symmetries
Awarded Jun 2 at 21:31
Problem with the dimensions of electric susceptibility
Awarded Jun 2 at 19:21
transfer of heat from lower to higher temperature [duplicate]
Awarded Jun 1 at 12:34
Magnetic Field Gradient of a Ring Magnet
Awarded May 31 at 17:34
Electromagnet Electricity Consumption?
Awarded May 31 at 8:25
If gravitation is negligible for small masses, how was Cavendish's experiment successful with balls much smaller than celestial objects?
Awarded May 31 at 5:15
Coupled quantum harmonic oscillator
Awarded May 30 at 19:40
Solution to pendulum differential equation
Awarded May 30 at 14:51
How do black holes move if they are just regions in spacetime?
Awarded May 29 at 10:27
How can ultrasound hurt human ears if it is above audible range?
Awarded May 27 at 15:11
Find E and B from vector potential
Awarded May 26 at 17:06
Can Heisenberg's uncertainty principle be used to prove the electron can't exist in the nucleus in this way?
Awarded May 26 at 7:42
How does the thickness of a string affect the frequency?
Awarded May 25 at 0:46
Why is the candela a base unit of the SI?
Awarded May 23 at 2:48
Questions regarding the mention of a "flat, nonrotating earth" in NASA Reference Publication 1207
Awarded May 22 at 21:26
How is the second-order covariant derivative of a scalar computed?
Awarded May 22 at 19:17
Phonon Momentum
Awarded May 22 at 18:02
If 1 screw can support 120 lbs, how much weight can 25 screws support?
Awarded May 22 at 10:58
Which charge is produced when an air balloon is rubbed by dry hair?
Awarded May 21 at 17:56
What does freeze out mean?
Awarded May 21 at 15:28
Could airport security possibly distinguish gold and silver coins from other coins?
Awarded May 21 at 0:43
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