User XXb8

11 votes

5 answers

5k views

Intuitive explanation for why blue light is refracted more than red light? [duplicate]

asked Apr 2, 2020 at 12:37

8 votes

2 answers

2k views

Why does fringe width in double slit experiment remain constant if slits get narrower?

waves visible-light double-slit-experiment interference diffraction

asked Jun 9, 2020 at 8:15

4 votes

3 answers

3k views

How do metals reflect electromagnetic radiation?

quantum-mechanics waves electromagnetic-radiation reflection absorption

asked May 6, 2020 at 14:10

4 votes

4 answers

479 views

Intuitive explanation why rate of energy transfer depends on difference in energy between two materials?

thermodynamics energy temperature cooling

asked Mar 7, 2020 at 11:03

3 votes

1 answer

63 views

How can you draw the wavelength of a wave to show that when a slit is of the order of the wavelength diffraction is at a maximum?

visible-light waves double-slit-experiment diffraction wavelength

asked Feb 27, 2020 at 11:06

3 votes

4 answers

489 views

Why is a filament lamp an incoherent light source?

waves visible-light double-slit-experiment interference coherence

asked May 7, 2020 at 7:56

3 votes

3 answers

273 views

Why do we consider $L^2/(2mr^2)$ part of effective potential energy?

classical-mechanics angular-momentum reference-frames potential-energy centrifugal-force

asked Oct 19, 2021 at 7:03

2 votes

1 answer

52 views

Why does the charge distribution on the surface of a conducting sphere remain uniform even if there is a perturbation in the inner electric field?

electromagnetism electrostatics electric-fields charge gauss-law

asked Sep 25, 2021 at 7:30

2 votes

4 answers

1k views

How coherent light is created for single slit experiment?

waves visible-light double-slit-experiment interference diffraction

asked May 6, 2020 at 18:26

2 votes

2 answers

640 views

How current is produced in photoelectric cell?

photons electric-current wave-particle-duality photoelectric-effect solar-cells

asked Jun 9, 2020 at 8:56

2 votes

1 answer

280 views

Intuitive explanation for why reflected waves change phase by $π$? [duplicate]

waves reflection interference boundary-conditions superposition

asked Apr 13, 2020 at 11:51

2 votes

3 answers

1k views

Why are diffraction rings closer together when electrons travel at a greater speed in electron diffraction?

electrostatics electrons diffraction wavelength wave-particle-duality

asked Mar 27, 2020 at 8:59

2 votes

1 answer

129 views

Explaining why rubbing two surfaces together by hand create convex and concave shapes?

classical-mechanics optics friction lenses geometry

asked Mar 27, 2020 at 10:46

2 votes

1 answer

50 views

Intuitive explanation for why central fringe in twice the width of others in single slit experiment?

waves visible-light interference diffraction

asked Apr 14, 2020 at 18:14

2 votes

2 answers

322 views

Intuitive explanation for slit separation affecting fringe separation?

visible-light waves double-slit-experiment interference diffraction

asked Feb 17, 2020 at 11:04

2 votes

1 answer

78 views

Why are atomic electrostatic collisions perfectly elastic?

electromagnetism kinematics momentum atomic-physics collision

asked Mar 20, 2020 at 11:43

1 vote

3 answers

103 views

How do we know not all photons are absorbed? Only those of specific energies?

quantum-mechanics particle-physics photons electrons atomic-physics

asked Mar 11, 2020 at 17:21

1 vote

1 answer

195 views

To calculate wavelength, is a double-slit experiment or diffraction grating experiment better?

visible-light waves double-slit-experiment diffraction wavelength

asked Feb 20, 2020 at 14:31

1 vote

1 answer

109 views

How can you show with a diagram that diffraction is at a maximum when the slit width is equal to the wavelength?

visible-light waves double-slit-experiment diffraction wavelength

asked Feb 26, 2020 at 17:49

1 vote

1 answer

31 views

Can electrons be ionised with a wave below threshold frequency but infinite amplitude?

quantum-mechanics photons electrons atomic-physics frequency

asked Feb 27, 2020 at 10:19

1 vote

1 answer

286 views

Why does convex lens diameter affect its magnification?

astrophysics astronomy lenses telescopes

asked Apr 21, 2020 at 9:52

1 vote

2 answers

128 views

Intuitive Explanation for Doppler effect?

waves visible-light frequency doppler-effect redshift

asked Jul 14, 2020 at 9:27

1 vote

3 answers

247 views

Why does Gauss' Law apply to any shape given that it's a closed surface?

electrostatics electricity electric-fields charge gauss-law

asked Sep 25, 2021 at 7:52

1 vote

1 answer

56 views

Does the fact a charge experiences a perpendicular force when moving perpendicular to a magnetic field have anything to do with EM waves?

electromagnetism waves electromagnetic-radiation magnetic-fields charge

asked Sep 26, 2021 at 9:02

1 vote

0 answers

163 views

What determines if light rays will be parallel to each other after refraction through a lens?

optics visible-light astronomy lenses telescopes

asked Aug 29, 2020 at 12:55

0 votes

3 answers

86 views

System vs individual objects in the system when calculating forces?

newtonian-mechanics forces classical-mechanics acceleration soft-question

asked Aug 31, 2020 at 13:04

0 votes

1 answer

354 views

Intuitive explanation for why voltage decreases as distance between charges decreases?

electric-fields charge potential voltage capacitance

asked Sep 29, 2020 at 13:57

0 votes

1 answer

48 views

Why intuitively is the tangent vector the derivative of velocity of position with respect to their modulus?

kinematics acceleration vectors differentiation calculus

asked Sep 23, 2021 at 8:01

0 votes

1 answer

77 views

Equation of infinitesimal ring when finding $ \vec{E}$ of a disc?

electric-fields charge integration calculus coulombs-law

asked Sep 23, 2021 at 8:19

0 votes

1 answer

51 views

Why intuitively do we define the turning effect of a force as force X perpendicular distance?

newtonian-mechanics forces rotational-dynamics torque rotation

asked Oct 18, 2021 at 18:59

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51 Questions

Intuitive explanation for why blue light is refracted more than red light? [duplicate]

Why does fringe width in double slit experiment remain constant if slits get narrower?

How do metals reflect electromagnetic radiation?

Intuitive explanation why rate of energy transfer depends on difference in energy between two materials?

How can you draw the wavelength of a wave to show that when a slit is of the order of the wavelength diffraction is at a maximum?

Why is a filament lamp an incoherent light source?

Why do we consider $L^2/(2mr^2)$ part of effective potential energy?

Why does the charge distribution on the surface of a conducting sphere remain uniform even if there is a perturbation in the inner electric field?

How coherent light is created for single slit experiment?

How current is produced in photoelectric cell?

Intuitive explanation for why reflected waves change phase by $π$? [duplicate]

Why are diffraction rings closer together when electrons travel at a greater speed in electron diffraction?

Explaining why rubbing two surfaces together by hand create convex and concave shapes?

Intuitive explanation for why central fringe in twice the width of others in single slit experiment?

Intuitive explanation for slit separation affecting fringe separation?

Why are atomic electrostatic collisions perfectly elastic?

How do we know not all photons are absorbed? Only those of specific energies?

To calculate wavelength, is a double-slit experiment or diffraction grating experiment better?

How can you show with a diagram that diffraction is at a maximum when the slit width is equal to the wavelength?

Can electrons be ionised with a wave below threshold frequency but infinite amplitude?

Why does convex lens diameter affect its magnification?

Intuitive Explanation for Doppler effect?

Why does Gauss' Law apply to any shape given that it's a closed surface?

Does the fact a charge experiences a perpendicular force when moving perpendicular to a magnetic field have anything to do with EM waves?

What determines if light rays will be parallel to each other after refraction through a lens?

System vs individual objects in the system when calculating forces?

Intuitive explanation for why voltage decreases as distance between charges decreases?

Why intuitively is the tangent vector the derivative of velocity of position with respect to their modulus?

Equation of infinitesimal ring when finding $ \vec{E}$ of a disc?

Why intuitively do we define the turning effect of a force as force X perpendicular distance?