ENTRANCE TEST – 2008 | Multiple Questions and Answers

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ENTRANCE TEST – 2008 Multiple Questions and Answers.

1.	When a helium atom loses an electron, it becomes:

	A.	An alpha particle
	B.	Proton
	C.	A positive helium ion
	D.	A negative helium ion

2.	When a helium atom loses an electron, it becomes:

	A.	Alpha partical
	B.	A positive helium ion
	C.	A negative helium ion
	D.	Proton

3.	Beta ray emitted by a radioactive substance is:

	A.	An electron which was existing outside the nucleus
	B.	An electron which was existing inside the nucleus.
	C.	An electron emitted by the nucleus as a result of the decay of neutron inside the nucleus.
	D.	A pulse of electromagnetic wave.

4.	An electric charge in uniform motion produces

	A.	An electric field.
	B.	Both magnetic and electric fields.
	C.	A magnetic field.
	D.	Neither magnetic nor electric fields

5.	What is emitted by a hot metal filament in a cathode ray tube?

	A.	X ray
	B.	Electron
	C.	Proton
	D.	Photon

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