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Question (31)

QN006792

Which shell has greater energy?

(A) K-shell
(B) L-shell
(C) Both equal
(D) Neither has energy

Correct Answer: B

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Question (32)

QN006793

Electrons in Bohr’s model do not lose energy while moving in fixed shells because they are in —

(A) Accelerated states
(B) Neutral states
(C) Stationary states
(D) Magnetic states

Correct Answer: C

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Question (33)

QN006794

An electron can jump from lower shell to higher shell by —

(A) Losing mass
(B) Absorbing fixed energy
(C) Losing protons
(D) Releasing neutrons

Correct Answer: B

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Question (34)

QN006795

An electron moving from higher shell to lower shell will —

(A) Absorb energy
(B) Release energy
(C) Lose charge
(D) Gain mass

Correct Answer: B

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Question (35)

QN006796

The shell represented by n = 2 is —

(A) K-shell
(B) L-shell
(C) M-shell
(D) N-shell

Correct Answer: B

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Question (36)

QN006797

Which statement is correct according to Bohr’s model?

(A) Electrons exist anywhere around nucleus
(B) Electrons lose energy continuously
(C) Electrons revolve only in allowed shells
(D) Electrons remain inside nucleus

Correct Answer: C

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Question (37)

QN006798

Why are Bohr’s shells named K, L, M, N?

(A) Based on Greek alphabet
(B) Suggested by Dalton
(C) Adopted from Barkla’s X-ray notation
(D) Named after scientists

Correct Answer: C

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Question (38)

QN006799

Charles Barkla originally used the letter K while studying —

(A) Radioactivity
(B) X-rays
(C) Cathode rays
(D) Alpha particles

Correct Answer: B

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Question (39)

QN006800

Which scientist received the Nobel Prize in Physics in 1906 for studies on electrical conductivity of gases?

(A) Rutherford
(B) Bohr
(C) Thomson
(D) Chadwick

Correct Answer: C

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Question (40)

QN006801

Ernest Rutherford is known as the Father of —

(A) Atomic mass
(B) Nuclear Physics
(C) Quantum Chemistry
(D) Molecular Biology

Correct Answer: B

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Question (31)

Which shell has greater energy?

Explanation:

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Question (32)

Electrons in Bohr’s model do not lose energy while moving in fixed shells because they are in —

Explanation:

Link:

Question (33)

An electron can jump from lower shell to higher shell by —

Explanation:

Link:

Question (34)

An electron moving from higher shell to lower shell will —

Explanation:

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Question (35)

The shell represented by n = 2 is —

Explanation:

Link:

Question (36)

Which statement is correct according to Bohr’s model?

Explanation:

Link:

Question (37)

Why are Bohr’s shells named K, L, M, N?

Explanation:

Link:

Question (38)

Charles Barkla originally used the letter K while studying —

Explanation:

Link:

Question (39)

Which scientist received the Nobel Prize in Physics in 1906 for studies on electrical conductivity of gases?

Explanation:

Link:

Question (40)

Ernest Rutherford is known as the Father of —

Explanation:

Link:

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