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amateurAstro
  • Member for 3 years, 3 months
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8 votes
Accepted

Why does ionizing radiation hamper radio communication?

4 votes

Why is the drag force proportional to $v^2$ and defined with a factor of $1/2$?

4 votes

Can the event horizon of a black hole increase its size due to accelerating mass?

3 votes
Accepted

What macroscopic, classical fields exist?

3 votes
Accepted

Photon near a black hole - find distance of closest approach from impact parameter

2 votes

Do different kind of waves in a medium interact with each other?

2 votes

Why does gradually increasing refractive index coating reduce reflection?

2 votes
Accepted

Does the effect at Brewster's angle apply for all angles greater, or only at that angle?

2 votes
Accepted

Termination of field lines between two positive charges

2 votes

Microwaves and Water Molecules: Radar vs Cooking

1 vote
Accepted

Help understanding the speed of light in media with refractive index < 1

1 vote

Goldstein expression for the Lagrangian

1 vote

Shot-Noise in optical detectors

1 vote

Why aren't extremely-low-frequency (ELF) radio waves used for underwater radar?

1 vote
Accepted

Basic question on Poynting flux and antennae

1 vote
Accepted

Electric Flux; Number of lines passing through a unit surface?

1 vote

Final Image Position with Multiple Lenses

1 vote

$Q$ factor of a pendulum

1 vote
Accepted

Relation of specific angular momentum $h$ with velocity and impact parameter for massive particle?

1 vote
Accepted

Does the technology exist to generate AC current with a frequency high enough such that when used in a circuit, could generate visible light?

1 vote

What is the most precise physical measurement ever performed?

1 vote
Accepted

Why Does a Resistor's Resistance Vary?

1 vote
Accepted

Going through Kepler's Orbit Derivation.. having a problem

0 votes

Impedance of an LCR circuit

0 votes

Phase change of longitudinal wave during reflection

0 votes
Accepted

What does it means to increase the accuracy of a screw gauge? And if so how to increase it?

0 votes

Reflected plane wave intensity air/water?

0 votes

Direction of electric field in the following cases?

0 votes
Accepted

Sean Carroll GR - Ex.3.6 (b) & (c)

0 votes

Interface boundary conditions of superconductor