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Gerard
  • Member for 10 years, 9 months
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26 votes
4 answers
10k views

Why is the candela a base unit of the SI?

24 votes
3 answers
103k views

Field between the plates of a parallel plate capacitor using Gauss's Law

22 votes
3 answers
6k views

Why do lines in atomic spectra have thickness? (Bohr's Model)

16 votes
4 answers
6k views

Can an LC oscillator be used to generate visible light?

15 votes
1 answer
10k views

Why does the light at the bottom of the pool form this awesome pattern?

15 votes
8 answers
5k views

How is this process not quasi-static yet reversible?

10 votes
3 answers
47k views

Why does the tension on the pulley in an Atwood machine not equal $(m_1 + m_2)g$?

10 votes
4 answers
1k views

Does the displacement in the definition of work correspond to the displacement of the object or the point of application of the force?

9 votes
2 answers
16k views

Work done by isothermal expansion from two different viewpoints

6 votes
1 answer
4k views

Why doesn't the potential energy of any object equal 0

6 votes
3 answers
9k views

Does evaporation decrease entropy?

6 votes
4 answers
3k views

Why does light diffract only through slits?

6 votes
2 answers
2k views

Why don't forces on two surfaces of a fluid need to balance?

5 votes
2 answers
8k views

Why do powers of lenses get added?

4 votes
3 answers
21k views

Minimum height of mirror required to view image

4 votes
1 answer
2k views

Good resource for geometric optics [duplicate]

4 votes
3 answers
14k views

What is the direction of area vector while calculating magnetic flux?

4 votes
2 answers
5k views

Does the induced charge on a conductor stay at the surface?

4 votes
1 answer
1k views

How is the direction of propagation of the wave function related to the direction of motion of the particle?

3 votes
1 answer
11k views

Why do real gases deviate from ideal behavior above the Boyle temperature?

3 votes
2 answers
6k views

On the shape of magnetic and electric fields in an electromagnetic wave

3 votes
5 answers
2k views

Which one acts first: friction or tension?

3 votes
1 answer
763 views

Why don't we include the adhesive and cohesive force while calculating rise in a capillary tube?

3 votes
1 answer
979 views

Why is the gravity in a mine shaft independent of depth if the local density is 2/3 of the average density? [closed]

3 votes
2 answers
1k views

Entropic force in polymers

3 votes
1 answer
6k views

Atmospheric pressure in a mercury barometer in an upward accelerating elevator

3 votes
3 answers
4k views

Does the equation of continuity hold for turbulent flows?

3 votes
3 answers
4k views

Different directions of frictional force when objects are rolling

2 votes
1 answer
234 views

Why is the potential energy of a particle $mgh$ regardless of force?

2 votes
1 answer
1k views

Why does the Alcubierre drive require negative energy?