User DakkVader

2 votes

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Can we cancel out light in the same way we do sound using interference?

answered Aug 14 at 6:27

2 votes

How do shock waves reflect?

answered Aug 6 at 8:09

1 vote

When to add signals coherently and incoherently?

answered May 6 at 13:19

2 votes

Where does $4\pi$ come from in electromagnetism?

answered Apr 16 at 9:05

3 votes

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How is the stimulated emission in lasers initiated?

answered Jan 25, 2023 at 11:44

2 votes

What makes a lightbulb glow?

answered Mar 29, 2022 at 10:47

0 votes

Could the refractive index of a material change?

answered Feb 17, 2022 at 8:31

0 votes

How does energy conserve during superposition of wave?

answered Oct 27, 2021 at 7:18

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Won't emission line spectrum also be observed in absorption spectrum?

answered Jun 9, 2021 at 13:26

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Propagation of electromagnetic waves

answered Jun 9, 2021 at 7:31

3 votes

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What is the difference between two types of velocity?

answered Jan 22, 2021 at 9:52

4 votes

Why are the edges of a broken glass almost opaque?

answered Jan 14, 2021 at 10:35

0 votes

Wavelength of reflected light vs transmitted light

answered Jan 13, 2021 at 13:43

2 votes

Details of sound waves

answered Nov 5, 2020 at 13:09

2 votes

Why is blue light hardly produced in a filament light bulb even when the current through it is greatly increased?

answered Sep 25, 2020 at 9:49

1 vote

What's the actual path of the planets?

answered Jul 1, 2020 at 11:47

1 vote

How does a rocket slow down in space?

answered May 27, 2020 at 8:09

1 vote

How do the mirrors in lasers resist destruction by the laser?

answered Feb 27, 2020 at 8:34

0 votes

How to decide the arrangement of an individual telescope in an astronomical interferometer?

answered Feb 13, 2020 at 10:15

2 votes

What exactly do we mean by 'Free spectral range'?

answered Jan 30, 2020 at 7:15

2 votes

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Non-monochromatic (multi-wavelength?) lasers

answered Jan 28, 2020 at 12:45

1 vote

Why are 2 shadows forming?

answered Jan 28, 2020 at 9:48

0 votes

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EM Wave in Phasor Form

answered Jan 28, 2020 at 7:20

9 votes

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What happens when the amplitudes of interfering waves is different in the phenomenon of beats?

answered Jan 27, 2020 at 7:07

1 vote

What happens if we place source at different distance from the slit in Young's double slit experiment?

answered Jan 23, 2020 at 7:37

3 votes

Why are people capturing Carbon dioxide from the air?

answered Jan 22, 2020 at 7:39

6 votes

Cause of weightlessness

answered Jan 20, 2020 at 15:00

2 votes

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Polarization of light confusion

answered Jan 20, 2020 at 10:57

1 vote

Radiation emitted by real bodies

answered Jan 16, 2020 at 7:23

0 votes

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Is Snell’s Law valid in this case?

answered Jan 15, 2020 at 7:05

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113 Answers

Can we cancel out light in the same way we do sound using interference?

How do shock waves reflect?

When to add signals coherently and incoherently?

Where does $4\pi$ come from in electromagnetism?

How is the stimulated emission in lasers initiated?

What makes a lightbulb glow?

Could the refractive index of a material change?

How does energy conserve during superposition of wave?

Won't emission line spectrum also be observed in absorption spectrum?

Propagation of electromagnetic waves

What is the difference between two types of velocity?

Why are the edges of a broken glass almost opaque?

Wavelength of reflected light vs transmitted light

Details of sound waves

Why is blue light hardly produced in a filament light bulb even when the current through it is greatly increased?

What's the actual path of the planets?

How does a rocket slow down in space?

How do the mirrors in lasers resist destruction by the laser?

How to decide the arrangement of an individual telescope in an astronomical interferometer?

What exactly do we mean by 'Free spectral range'?

Non-monochromatic (multi-wavelength?) lasers

Why are 2 shadows forming?

EM Wave in Phasor Form

What happens when the amplitudes of interfering waves is different in the phenomenon of beats?

What happens if we place source at different distance from the slit in Young's double slit experiment?

Why are people capturing Carbon dioxide from the air?

Cause of weightlessness

Polarization of light confusion

Radiation emitted by real bodies

Is Snell’s Law valid in this case?