When sound travels through air, the air particles _____...? Mcqs

Latest MCQs

When sound travels through air, the air particles _____...?

(A) Vibrate along the direction of wave propagation
(B) Vibrate perpendicular to the direction of wave propagation

(C) Vibrate but not in any fixed direction
(D) Vibrate and move in a straight line

Latest MCQs

The central atom of hemoglobin is...?

(A) Calcium
(B) Magnesium

(C) Iron
(D) None of these

Latest MCQs

At what angle above the horizon must the sun be to create a rainbow...?

(A) 90 degrees
(B) 60 degrees

(C) 40 degrees
(D) 65 degrees

Latest MCQs

When was the polio vaccine first launched in Pakistan...?

(A) 1961
(B) 1974

(C) 1988
(D) 1994

Latest MCQs

The M.K.S. system was first introduced by _________ ...?

(A) Giorgi
(B) Archimedes

(C) Eienstein
(D) Newton

Latest MCQs

“Father of Optics” is the title given to__________...?

(A) Ibn-al-Haitham
(B) Ibn-e-Sina

(C) Al-Kandi
(D) Al-Biruni

Latest MCQs

Mass extinction of dinosaurs occurred in which period...?

(A) Triassic
(B) Jurassic

(C) Cretaceous
(D) Permian

Latest MCQs

The source of the Sun’s energy is the process of ____________...?

(A) Photoelectric emission
(B) Nuclear fission

(C) Nuclear fusion
(D) Thermionic emission

Latest MCQs

Zero error of the instrument is _______...?

(A) Systematic error
(B) Human error

(C) Random error
(D) Classified error

Latest MCQs

Any biological region recognized by its climate or vegetation is called...?

(A) Ecosystem
(B) Biomes

(C) Biosphere
(D) Biomass

Best of Luck

From ShineGk.com

Share our website's link