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.
What is the color of the tag used for certified seed?
What term is used to describe the process when the parent material is moved or transported primarily by the force of gravity?
Which of the following is acid tolerant crop?
Which of the following types of soil is known for exhibiting a characteristic honey-comb structure, typically formed due to specific environmental condi...
Soil health card with the tagline “Swasth Dharaa, Khet Haraa” was launched on ____.
…………………..measures the proportion of cation exchange sites occupied by sodium.
 Biological oxidation of elemental Sulphur is carried out by which of the following bacteria?
Which type of layer silicate clay minerals demonstrates a structure comprising two silica tetrahedral sheets and two magnesium-dominated tri-octahedral ...
Blue green algae is used for
Factor responsible for the formation of Saline soils/White alkali is/are:
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