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Rajdeep Sindhu
  • Member for 2 years, 4 months
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12 votes
4 answers
3k views

Why doesn't a dimensional inconsistency arise while defining a physical quantity in multiple ways?

8 votes
1 answer
1k views

Proof that all rays parallel to the principal axis meet at the focus during reflection from a concave mirror

4 votes
2 answers
411 views

Approaching physics using ordinary analysis rather than nonstandard analysis

3 votes
2 answers
115 views

Why is the charge of an electron taken to be the negative of the charge of a proton and vice versa?

3 votes
1 answer
176 views

Can a third kind of charge exist? [duplicate]

2 votes
2 answers
568 views

Which of these concave lenses has a greater power

2 votes
1 answer
88 views

Uniqueness of final velocities in law of conservation of momentum

2 votes
1 answer
83 views

Uniqueness of refractive index

2 votes
1 answer
94 views

Regarding difference in dimensions of a physical quantity in different unit systems [duplicate]

2 votes
1 answer
42 views

In the given scenario, is the ball doing some work?

2 votes
2 answers
186 views

How is the magnitude of force exerted by the external agent equal to the electrostatic force when talking about electric potential energy?

1 vote
1 answer
150 views

Why do we use a calculus based approach for calculating the work done when a charge moves a certain distance in a system of two charges?

1 vote
2 answers
581 views

Why is the electric potential at a distance of $R$ from a point charge $q$ equal to $\frac{-q}{4\pi\varepsilon_0 R}$

1 vote
2 answers
135 views

The final velocity of a positive test charge after being repelled to infinity by another positive charge

1 vote
0 answers
56 views

How do we know that we have taken all factors into consideration while deriving Coulomb's Law?

1 vote
1 answer
575 views

Does the speed of light depend on mass density? [duplicate]

1 vote
2 answers
726 views

How does the car analogy explain refraction of light?

1 vote
1 answer
137 views

What is aperture of a lens?

1 vote
3 answers
101 views

Is this formula I derived for net acceleration correct? [closed]

1 vote
2 answers
111 views

How did Coulomb know that there was no other factor that could affect the electrostatic force between two particles?

0 votes
1 answer
152 views

Is this derivation of Coulomb's Law correct?

0 votes
2 answers
75 views

What would happen if a body possessing a charge $(-1) \text { e}$ is brought into contact with an electrically neutral object?

0 votes
1 answer
66 views

What does this statement mean?

0 votes
1 answer
40 views

How and how long will the metallic ball move? [closed]

0 votes
2 answers
87 views

Why do electrons in a conductor not connected to a power source not fly away due to repulsion?

0 votes
2 answers
96 views

Did I just get an electric shock?

0 votes
1 answer
322 views

In Ohm's Law, why do we not take the constant of proportionality as $\dfrac{1}{R}$?

0 votes
1 answer
66 views

What do we actually mean by parallel rays when talking about reflection from a concave mirror? [duplicate]

0 votes
5 answers
263 views

Interpreting the vector addition of acceleration

0 votes
2 answers
216 views

A confusion regarding the head to tail method for vector addition