Ravi is a student of class VII. During summer vacation, his parents planned a visit to Haridwar by their car. During the journey from Delhi to Haridwar, Ravi sat on the front seat and his father was driving the car. Ravi observed that the road ahead on the highway appears to be wet but when the car reached the spot, road is found to be dry. He was perplexed by this observation. He asked his father. His father advised. Ravi not to disturb him during driving and said that he will discuss the problem on reaching Haridwar. In the evening, when they were settled in a hotel at Haridwar, Ravi's father told him that the illusion observed by ravi was on account of atmospheric refraction. How, Ravi was happy as he knew the real explanation of his observation.
1. When the light rays pass through the atmosphere then refraction of light takes place. The refraction of light caused by the earths atmosphere is called as ________.
(i) Atmospheric refraction
(ii) Reflection
2. Name the phenomena based on atmospheric refraction
(i) Twinkling of stars at night
(ii) Early sunrise and delayed sunset
(iii) Both A and B
3. What characteristic was shown by ravi during his Iourney?
(i) Curiosity and an urge to learn are shown
(ii) Anger and sadness to learn are shown
4. What advice was given by Ravi's father to him?
(i) Not to disturb him during driving
(ii) Ask him more questions during driving
5. Why the advice was given by Ravi's father to him?
(i) One should not drive very carefully and should not be distracted for a safe journey.
(ii) One should drive very carefully and should not be distracted for a safe journey.
