Question
A soap bubble shows colours when illuminated with white
light. This is due to –Solution
The iridescent colours of soap bubbles are caused by interfering of (internally and externally) reflected light waves and are determined by the thickness of the film. This phenomenon is not the same as the origin of rainbow colours (caused by the refraction of internally reflected light), but rather are the same as the phenomenon causing the colours in an oil slick on a wet road.
The state flower of Haryana is ______.
Who is the author of the book “New Wealth of Nations”?
The capital of Kenya is -
What is NABARD’s full form?
A sum of Rs. 2000 was invested at a rate of 10% interest. The compound interest was calculated at an interval of every six months. What will be the net ...
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Identify the founding members of the Swaraj Party. Which of these leaders was NOT among them?
Select the incorrect statement based on the data in the Economic Survey 2022-23 -