Entry Test MCQ :: Atomic Structure

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11.

A fast moving neutron can eject from nitrogen

A.	? = rays	B.	? = rays
C.	? = rays	D.	electrons

12.

Rutherfords planet like structure was defective and unsatisfactory because

A.	Moving e- accelerate towards the nucleus	B.	Continuous spectrum
C.	behavior of electron remain unexplained	D.	all

13.

The relationship between energy of a photon of light and its frequency is given by

A.	de-Broglie duel nature of matter	B.	Bohrs model
C.	Plancks Quantum theory	D.	Rutherfords atomic model

14.

Splitting of spectral lines when atom is subjected to magnetic field is called

A.	Zeemans effect	B.	Starks effect
C.	Photo electric effect	D.	Compton effect

15.

The velocity of the photon

A.	Is independent of wavelength	B.	Depends upon source
C.	Depends upon its frequency	D.	Equals to the square of amplitude

16.

Which one of the following explain the shape of orbitals

A.	Principal of quantum number	B.	Azimuthal quantum number
C.	Magnetic quantum number	D.	Spin quantum number

17.

Atom cannot be divided into simple unitstheorized by

A.	Rutherford	B.	Dalton
C.	Bohr	D.	Schrodinger

18.

Pressure in gas discharge tube was kept

A.	10 torr	B.	1 torr
C.	0.1 torr	D.	0.01 torr

19.

The number of fundamental particles in an atom of the lightest isotope carbon are

A.	6	B.	12
C.	18	D.	20

20.

Angle of deflection was studied by

A.	Hitorff	B.	Stoney
C.	William Crookes	D.	J.Perrin