Question
Twinkling of the Stars is due to the phenomenon ofÂ
Solution
When a ray of light travels from one medium to another it ‘bends’. This phenomenon is referred to as refraction. The atmosphere of the earth is made of different layers. It is affected by winds, varying temperatures and different densities as well. When light from a distant source (a star) passes through our turbulent (moving air) atmosphere, it undergoes refraction many times. When we finally perceive this light from a star, it appears to be twinkling.
81, 154, 124, 197, 167, 235
12, 14, 18, 26, 38, 64
Find the wrong number in the given number series.
37, 41, 67, 93, 157, 257
191 341 221 331 251 281
- Find the wrong number in the given number series.
6, 12, 24, 50, 96, 192 Find the Wrong number in the given number series.
137, 148, 190, 261, 361, 4904, 5, 12, 39, 160, 806
Find the wrong number in the given number series.
1000, 500, 250, 120, 62.5Find the wrong number in the given number series.
51, 85, 119, 153, 187, 255
0Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â 26Â Â Â Â Â Â Â Â Â Â 63Â Â Â Â Â Â Â Â Â Â 126Â Â Â Â Â Â Â Â 215
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