Multiple choice

Consider the following statements:

  1. The glowing of tube light is based on the phenomenon of total internal reflection.
  2. The fibre optic cable, which is widely used in cable media, is worked on the principle of refraction of light.
  3. The effect of scattering of light in colloids or suspensions is known as Doppler Effect.

Which of the given statements is/are incorrect?

  1. Only (1)

  2. Only (2)

  3. Only (1) & (2)

  4. Only (2) & (3)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement (1) is correct. The glowing of tube light is based on the phenomenon of total reflection.

Statement (2) is wrong. The fibre optic cable is also worked on the principle of total internal reflection.

Statement (3) is wrong. The effect of scattering of light in colloids or suspensions is known as Tyndall effect. Doppler's effect is related to the reverberation of sound.

Keep practicing — related questions