Sound travels slowest in which one of the following...? Mcqs

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Sound travels slowest in which one of the following...?

(A) Air
(B) Water

(C) Steel
(D) Diamond

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The height at which atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called __________....?

(A) Average height (H)
(B) Scale height (H)

(C) Mean height (H)
(D) Standard height (H)

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Magnitude of energy released by an earthquake is calculated using ________...?

(A) Earthquake scale
(B) Seismic scale

(C) Richter scale
(D) Temblor scale

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What is the particle size in suspension...?

(A) 10 nm^3
(B) 10 nm^2

(C) Less than 10 nm^3
(D) Greater than 10 nm^3

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All electromagnetic waves travel through a vacuum at ______...?

(A) The different speed
(B) The same speed

(C) The increasing speed
(D) The decreasing speed

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The Muslim scientists who identified many diseases like tuberculosis, meningitis and other such inflammations was _____...?

(A) Ibn Rushd
(B) Bu Ali Sina

(C) Al-Razi
(D) Ibn Al-Nafs

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What are the components of Balance Diet...?

(A) Carbohydrates+Fats
(B) Proteins+Water

(C) Vitamins+Minerals
(D) All of these

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Lake, sea, wetland, river, ocean, pond is/are an examples of...?

(A) Water Environments
(B) Land Environments

(C) Both A and B
(D) None

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______ is the “Work done in moving a unit charge between two points in an electric circuit”...?

(A) Potential difference
(B) Current

(C) Power
(D) Resistence

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The symbolic representation of molecule of a compound is called...?

(A) Equation
(B) Structure

(C) Formula
(D) Reaction

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