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Jan
13
reviewed Leave Open Gravitational Time Dilation Scenario
Jan
13
reviewed Close Light and Visibility
Jan
13
comment Light and Visibility
See also How does a one-sided glass work?
Jan
13
reviewed Close Why does Conservation of Momentum fails because of friction?
Jan
13
reviewed Leave Open Partition function of primon bosonic gas
Jan
13
reviewed Leave Open Mean free path in 2d?
Jan
13
reviewed Leave Open Problem arising from quantisation of e.m. field
Jan
13
reviewed Reopen Free space propagator: reconciling two results
Jan
13
reviewed Reject Thermodynamic / Thermal Property
Jan
13
reviewed Reject Given a light diffracting through an aperture of radius r, how would we find the radius of the beam at a position x meters away?
Jan
13
reviewed No Action Needed Metallic and glass sphere of same size released at a height
Jan
13
reviewed No Action Needed If two gasses are in thermal equilbrium, do their molecules have same amount of Kinetic energy?
Jan
13
reviewed No Action Needed Doesn't the subsequent change in effective nuclear charge and atomic radii disrupt the standing wave in which electron moves?
Jan
13
reviewed No Action Needed Thermodynamic / Thermal Property
Jan
13
reviewed Leave Open Which point is taken as origin for sound wave equations?
Jan
13
reviewed Close Quantification of uncertainty, or information loss, when modeling a physical system?
Jan
13
reviewed Close What defines a physical property?
Jan
13
reviewed Leave Open Doesn't this LED created by MIT violate the second law of thermodynamics?
Jan
13
reviewed Leave Open If two gasses are in thermal equilbrium, do their molecules have same amount of Kinetic energy?
Jan
12
comment Why is the speed of sound lower at higher altitudes?
No, $P \propto T\rho$. That's why as costrom says the temperature is the main factor. The speed is $v = \sqrt{\gamma RT}$.