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.
Who is regarded as the father and founder of PRL (Physical Research Laboratory)?
Based on which committee's recommendations did RBI introduce a comprehensive regulatory framework for NBFC-MFIs?
Agricultural labour productivity is maximum in?
The Legislative Council of Uttar Pradesh was constituted for the first time under which of the following Acts?
Acid rain occurs due to high concentrations of what in the air?
The principle of non-violence, central to Jainism, is known as:
Which is the longest river in India?
Which city was ranked as the costliest city for international workers in Mercer’s 2024 cost of living data?
Kazind military exercise takes place between which force of India and Kazakhstan?
‘Har Time EMI on Time’ is a digital campaign launched by which of the following finance companies in India?
