Question
Which of the following statements is true when we see
'rainbow'?Solution
We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light enter the drop and are refracted inwards. They are reflected from the back surface of the raindrop, and refracted again as they exit the raindropandreturntooureyes.Arainbowisan optical and meteorological phenomenon that is causedbyreflectionoflightinwaterdropletsin the Earth's atmosphere, resulting in a spectrum of light appearing in the sky.
At 9:45 in a clock, the angle between the minute and hour hands is:
What is the angle between the minute hand and the hour hand at 3:24hrs when taken in anticlockwise direction from the minute hand?
- What will be the angle formed between the hour hand and minute hand of a clock at 6:48am?
In a clock, the time is 12:00 pm. If the minute hand is pointing toward the South, where is the hour hand pointing?
- What will be the angle formed between the hour hand and minute hand of a clock at 7hrs 37mins?
- If it was Saturday on 4 th February 1967, then what was the day on 29 th August 1967?
What will be the angle formed between the hour hand and minute hand of a clock at 8hrs. 20 mins?
- It was Monday on November 12, 2018. What will be the day on November 12, 2028?
If it was Saturday on 4th February 1967, then what was the day on 29th August 1967?
If it was Monday on 1st January 1934, then what was the day on 22nd October 1934?
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