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Question 1:

Henri Becquerel was associated with the discovery of _____________.

Question 2:

Who discovered X-Ray?

Question 3:

Which of the following effect is also known as Edison effect?

Question 4:

In the nuclear reactor, heavy water D2O is used in the form of?

Question 5:

When X-rays are produced :

Question 6:

What is the Atomic Number of the element Einsteinium?

Question 7:

If the size of the nucleus of an atom is compared with a cricket ball, then the radius of the atom is approximately equal to how many kilometres?

Question 8:

The function of heavy water in a nuclear reactor is to :

Question 9:

Which of the following radio isotopes is used in the treatment of blood cancer (leukemia)?

Question 10:

The range of ______ force is of the order of 10-16 m.