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Physics · PYQ NEET UG 2019(1)

हिन्दी

Which colour of the light has the longest wavelength?

  1. green
  2. violet
  3. red
  4. blue

Correct answer · Option 3

red

Explanation

In the visible spectrum, red light has the maximum wavelength.

Related questions

The total energy of an electron in an atom in an orbit is \( -3.4\text{ eV} \). Its kinetic and potential energies are, respectively→An electron is accelerated through a potential difference of \( 10,000\text{ V} \). Its de Broglie wavelength is, (nearly) (\( m_e = 9 \times 10^{-31}\text{ kg} \))→Increase in temperature of a gas filled in a container would lead to:→Two point charges A and B, having charges \( +Q \) and \( -Q \) respectively, are placed at certain distance apart and force acting between them is \( F \). If \( 25\% \) charge of A is transferred to B, then force between the charges becomes:→
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