For the following questions answer them individually
Along with Leo Szilard who was the other physicist to hold the first patent for a nuclear reactor?
Consider the following pairs:
Event : Time interval (Seconds)
1] Period of X-rays : 10-8
2] Life time of an excited state of an atom : 10-1
3] Time between successive human heartbeats : 100
4] Rotation period of the earth : 105
Which of the above pairs are correctly matched?
How far should the object be placed from a convex mirror of focal length 40 cm, when the image is to be obtained at a distance of 8 cm from the mirror?
The Charter of Fundamental Rights of the Indian Constitution are borrowed from the ______________ constitution.