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ThePhysicist's user avatar
ThePhysicist's user avatar
ThePhysicist
  • Member for 10 years, 3 months
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23 votes
5 answers
7k views

Why does a star collapse under its own gravity when the gravity at its centre is zero?

8 votes
3 answers
687 views

What causes a simultaneous transition of an electron from a higher orbit to a lower one when exposed to a photon of suitable wavelength?

5 votes
2 answers
8k views

Where does a straight conducting wire get its capacitance?

4 votes
0 answers
63 views

Why does a universe with total positive energy eventually collapse in a crunch?

3 votes
4 answers
8k views

Does a capacitor ever get fully charged?

3 votes
1 answer
7k views

Kinetic energy and potential energy variation over distance in SHM

3 votes
1 answer
3k views

How to derive the time period equation for a spring mass system taking into account the mass of the spring without involving energy analysis?

2 votes
4 answers
4k views

How to express a mechanical force field in the units of electric fields?

2 votes
3 answers
1k views

Why does the current in a purely capacitive AC circuit lead the voltage by 90 deg?

2 votes
0 answers
166 views

Why are actual prescription lenses for myopia almost plano concave with the curvier face near the eye?

1 vote
2 answers
6k views

Effect of a magnetic field on a current carrying wire

1 vote
1 answer
110 views

How does light manage to change its course at the boundary of two media of different optical densities?

0 votes
1 answer
174 views

What happens when the receiver of a parabolic antenna is covered by a metallic layer?

0 votes
1 answer
57 views

Can there be an electric current drawn through a resistor from just one terminal of a battery?

0 votes
2 answers
14k views

Why does the Earth suck both positive and negative charges?

0 votes
2 answers
252 views

Sun's Right Ascension appears to be wrong in my Stellarium

0 votes
1 answer
216 views

What is the physical mechanism of power transfer in the primary of an ideal transformer?

0 votes
0 answers
45 views

How can we represent the 3 space coordinates uniquely by one point that can be put on a single axis?

0 votes
4 answers
8k views

What is the proper time interval for simultaneous events?

0 votes
1 answer
261 views

How can a region of uniform charge density have an an axial (parallel to only one axis) electrostatic field?

0 votes
0 answers
35 views

Does the electric current inside a wire fluctuate when the wire shape is changed while still having it connected to the terminals?

0 votes
2 answers
61 views

Interference of orbital electron wavefunctions

-2 votes
2 answers
2k views

Which forces violate Newton's third law of motion? [closed]