August 2022

Question: Increase in temperature, in general results in the
[A].

decrease in the viscosities of both liquids & gases.

[B].

increase in the viscosities of both liquids & gases.

[C].

increase in the viscosity of liquids and decrease in that of gases.

[D].

decrease in the viscosity of liquids and increase in that of gases.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Force between the molecules of the same substance is called __________ force.
[A].

adhesive

[B].

cohesive

[C].

molecular

[D].

Vander Walls

Answer: Option B

Explanation:

No answer description available for this question.

Question: Light year is the unit of
[A].

distance

[B].

time

[C].

intensity of light

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by
[A].

(ε1 + ε2)/ε1.ε2

[B].

ε1.ε2/(ε1 + ε2 – ε1.ε2)

[C].

ε1.ε2

[D].

ε1 + ε2

Answer: Option B

Explanation:

No answer description available for this question.

Question: Enzymes belong to the category of
[A].

proteins

[B].

carbohydrates

[C].

vitamins

[D].

fats

Answer: Option A

Explanation:

No answer description available for this question.