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Question (11)

QN006672

Which of the following does NOT show Tyndall effect?

(A) Smoke
(B) Milk
(C) Starch solution
(D) Sugar solution

Correct Answer: D

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Question (12)

QN006673

The particles responsible for Tyndall effect are usually:

(A) Atomic sized
(B) Molecular sized
(C) Intermediate in size
(D) Invisible ions only

Correct Answer: C

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Question (13)

QN006674

The bluish appearance of smoke is due to:

(A) Reflection of blue light
(B) Tyndall effect
(C) Refraction
(D) Diffusion

Correct Answer: B

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Question (14)

QN006675

Which scientist’s contribution is associated with the study of scattering of light in colloids?

(A) Newton
(B) Faraday
(C) John Tyndall
(D) Rutherford

Correct Answer: C

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Question (15)

QN006676

In a colloidal solution, light gets scattered in:

(A) One direction only
(B) All directions
(C) Upward direction only
(D) Downward direction only

Correct Answer: B

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Question (16)

QN006677

Which mixture is most likely to show a strong Tyndall effect?

(A) Salt in water
(B) Copper sulfate in water
(C) Milk in water
(D) Alcohol in water

Correct Answer: C

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Question (17)

QN006678

A beam of light becomes visible in a cinema hall because of:

(A) Water vapour
(B) Dust particles scattering light
(C) Reflection from screen
(D) Heat energy

Correct Answer: B

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Question (18)

QN006679

Which statement about Tyndall effect is correct?

(A) It occurs in true solutions
(B) It occurs due to large suspended particles
(C) It occurs only in solids
(D) It occurs only in gases

Correct Answer: B

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Question (19)

QN006680

The Tyndall effect is maximum when particle size is:

(A) Extremely small like molecules
(B) Suitable for scattering visible light
(C) Equal to atomic radius
(D) Zero

Correct Answer: B

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Question (20)

QN006681

Why does distilled water not show Tyndall effect?

(A) It absorbs all light
(B) It contains no colloidal particles
(C) It is coloured
(D) It reflects light completely

Correct Answer: B

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Question (11)

Which of the following does NOT show Tyndall effect?

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Question (12)

The particles responsible for Tyndall effect are usually:

Explanation:

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Question (13)

The bluish appearance of smoke is due to:

Explanation:

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Question (14)

Which scientist’s contribution is associated with the study of scattering of light in colloids?

Explanation:

Link:

Question (15)

In a colloidal solution, light gets scattered in:

Explanation:

Link:

Question (16)

Which mixture is most likely to show a strong Tyndall effect?

Explanation:

Link:

Question (17)

A beam of light becomes visible in a cinema hall because of:

Explanation:

Link:

Question (18)

Which statement about Tyndall effect is correct?

Explanation:

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Question (19)

The Tyndall effect is maximum when particle size is:

Explanation:

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Question (20)

Why does distilled water not show Tyndall effect?

Explanation:

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