Radio activation

21.	α rays are
	A. H+ ion
	B. He⁺⁺ ion
	C. electron
	D. Proton Option”B” is correct

22.	The charge present in α rays is
	A. two unit positive charge
	B. unit loan charge
	C. unit positive charge
	D. None of these Option”A” is correct

23.	β rays are made of
	A. positively charged particles
	B. negatively charged particles
	C. neutral particles
	D. None of these Option”B” is correct

24.	The emission of which of the following is responsible for the formation of
	A. α particle
	B. β particle
	C. γ particle
	D. x ray Option”B” is correct

25.	The atomic number of an element increases due to the emission of
	A. α particle
	B. β particle
	C. Proton
	D. neutrons Option”B” is correct

26.	Which of the following has a negative charge
	A. α ray
	B. β ray
	C. γ ray
	D. x ray Option”B” is correct

27.	is identical to the electron
	A. α particle
	B. β particle
	C. γ particle
	D. H – atom Option”B” is correct

28.	The binding capacity of β rays is higher than that of α rays of the same energy, because
	A. β rays are made up of negatively charged electrons
	B. Since the mass of β rays is negligible, their velocity is high.
	C. α rays are positively charged and carry two units of charge
	D. β rays are repelled by the electron cloud, while α rays are attracted Option”B” is correct

29.	what type of charge do β rays carry there
	A. positive
	B. negative
	C. Zero
	D. None of these Option”B” is correct

30.	What are γ-rays made of?
	A. meson particle
	B. neutrino particle
	C. hings woson
	D. electromagnetic waves Option”D” is correct

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