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A cyclotron is used to obtain a 2 meV beam of protons. The alternating potential difference applied between the dees has a peak value of 20 kV and its frequency is 5 MHz. The intensity of magnetic field to be applied for resonance will be:
Convection occurs out of the followings-
In a period from Li to F, ionisation potential
The depletion of Ozone layer is mainly due to
The technique of calculating the age of fossil organisms is
Which among the following usually regulates breathing in Humans?
Which of the following of the inert gases can form compounds -
A detergent is a
Cooking oil can be converted into vegetable ghee by the process of
In a photocell light energy is converted into
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