Rainbow is produced when sunlight falls on drops of rain. Which of the following physical
phenomena are responsible for this?
(1). Dispersion
(2). Refraction
(3). Internal Reflection
Select the correct answer using the codes given below.
Science and Technology › PhysicsXLight energy
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Science and Technology › PhysicsXLight energy
Options
Answer
(D)
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Science and Technology › PhysicsXLight energy
Conside the following phenomena :
(1). Size of the sun at dusk
(2). Colour of the sun at dawn
(3). Moon being visible at dawn
(4). Twinkle of stars in the sky
(5). Polestar being visible in the sky
Which of the above are optical illusions?Options
Answer
(C)