The centre of the reflecting surface of a spherical mirror is a point called the ___.
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Mirages are formed primarily due to ___ of light.
Which Five Year Plan adopted Indicative Planning in India?
ABM stands for ______.
If tea companies start using mechanised tea leave pickers
In human beings, the respiratory pigment is
Which north-eastern state of India has signed up to host the 39th National Games in the year 2022?
The presence of air bubble in blood stream is dangerous to life because