Structure of Atom Test

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Structure of Atom Test - 12

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following is not a characteristic of Planck’s quantum theory of radiations?

A
Radiations are associated with energy

B
Magnitude of energy associated with a quantum is equal to hv

C
Radiation energy is neither emitted nor absorbed continuously

D
A body can emit less or more than a quantum of energy
Question 2
4 / -1

The conclusion that every additional electron enters the orbital with lowest possible energy has been drawn from

A
Pauli’s exclusion principle

B
Hund’s rule

C
Aufbau principle

D
de – Broglie’s equation.
Question 3
4 / -1

Bohr’s model of atom is not in agreement with

A
Line spectra of hydrogen atom

B
Pauli’s principle

C
Planck’s theory

D
Heisenberg’s principle
Question 4
4 / -1

Which of the following statements is correct?

A
All electromagnetic radiations do not possess the same velocity

B
Matter waves are associated with electrical and magnetic fields

C
Matter waves and electromagnetic radiations are alike

D
The velocityof matter wave is generally less than that of light
Question 5
4 / -1

Which experimental observation correctly account for the phenomenon?

A
a

B
b

C
c

D
d
Question 6
4 / -1

In the Schrodinger’s wave equation ø represents

A
orbit

B
wave function

C
wave

D
radial probability
Question 7
4 / -1

Which of the following gave the idea of a nucleus of the atom?

A
Oil drop experiment

B
Davissonand Germer’s experiment

C
α – ray scattering experiment

D
Austen’s mass spectrogram experiment
Question 8
4 / -1

Cathode rays have same charge to mass ratio as

A
α – particles

B
β – rays

C
Anode rays

D
Protons
Question 9
4 / -1

Rutherford’s experiment established that

A
inside the atom there are positive centres immersed in sea of electrons

B
nucleus contains protons, neutrons and mesons

C
most of the space in an atom is empty

D
all A, B and C
Question 10
4 / -1

The total number of electrons in a subshell designated by azimuthal quantum number, l is given as

A
2l + 1

B
l²

C
4l + 2

D
2l + 2

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Re-Attempt Weekly Quiz Competition

Structure of Atom Test - 12

Result

Structure of Atom Test - 12

Score

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Rank

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SHARING IS CARING

Question 1

Radiations are associated with energy

Magnitude of energy associated with a quantum is equal to hv

Radiation energy is neither emitted nor absorbed continuously

A body can emit less or more than a quantum of energy

Question 2

Pauli’s exclusion principle

Hund’s rule

Aufbau principle

de – Broglie’s equation.

Question 3

Line spectra of hydrogen atom

Pauli’s principle

Planck’s theory

Heisenberg’s principle

Question 4

All electromagnetic radiations do not possess the same velocity

Matter waves are associated with electrical and magnetic fields

Matter waves and electromagnetic radiations are alike

The velocityof matter wave is generally less than that of light

Question 5

a

b

c

d

Question 6

orbit

wave function

wave

radial probability

Question 7

Oil drop experiment

Davissonand Germer’s experiment

α – ray scattering experiment

Austen’s mass spectrogram experiment

Question 8

α – particles

β – rays

Anode rays

Protons

Question 9

inside the atom there are positive centres immersed in sea of electrons

nucleus contains protons, neutrons and mesons

most of the space in an atom is empty

all A, B and C

Question 10

2l + 1

l2

4l + 2

2l + 2

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l²