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The secondary rainbow is due to _____ total internal reflection inside the droplet.

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Important Questions on Ray Optics

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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 258
The straight line joining the sun and the observer along which centre of both the primary and secondary rainbow lies is called
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 259
In the formation of a rainbow, light from the sun on water droplets undergoes
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 260
In the formation of primary rainbow, the sunlight rays emerge at minimum deviation from rain-drop after
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 261
Pick the correct statement from the following.
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 262
Assertion: The rainbow is seen sometimes in the sky when it is raining. When one sees a rainbow, one's back is towards the sun.

Reason: Internal reflection from water droplet causes dispersion. The final ray is in the backward direction.

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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 263

Light travels from a medium of refractive index μ1 to another of refractive index μ2μ1>μ2. For total internal reflection of light, which is NOT true?

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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 264
Between the primary and secondary rainbows, there is a dark band known as Alexander's dark band. This is because
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 266
'Mirage' is a phenomenon due to: