BSC 2nd Year Physics Syllabus. We covered all the BSC 2nd Year Physics Syllabus MCQs in this post for free so that you can practice well for the exam.
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BSC 2nd Year Physics Syllabus Objective for Students
Which one of the following statements is correct?
(a) The speed of sound waves in a medium depends upon the elastic property of the medium, but not on an inertia property.
(b) The speed of sound waves in a medium depends upon the inertia property of the medium, but not on an elastic property.
(c) The speed of sound waves in all mediums depends neither on its elastic property nor on its inertia property.
(d) The speed of sound waves in a medium depends on both the elastic and inertia properties of the medium.
Option d – The speed of sound waves in a medium depends on both the elastic and inertia properties of the medium
The speed of a body that has a Mach number more than 1 is
(a) supersonic
(b) subsonic
(c) 300 m/s
(d) about 10 m/s
Option a – supersonic
Sound moves with a higher velocity if
(a) the pressure of the medium is decreased.
(b) the temperature of the medium is increased.
(c) humidity of the medium is increased.
(d) Both (b) and (c)
Option d – Both (b) and (c)
A bomb explodes on the moon. You will hear its sound on earth after ……
(a) 20 minutes
(b) 2 hours 20 minutes
(c) 3.7 hours
(d) you cannot hear the sound of the explosion
Option d – you cannot hear the sound of the explosion
Sound is heard over longer distances on rainy days because
(a) sound travels slowly in moist air.
(b) sound travels faster in moist air.
(c) moist air does not absorb sound.
(d) moist air absorbs sound.
Option b – sound travels faster in moist air
Which one of the following statements is correct? The velocity of sound
(a) does not depend upon the nature of the media.
(b) is maximum in gases and minimum in liquids.
(c) is maximum in solids and minimum in liquids.
(d) is maximum in solids and minimum in gases.
Option d – is maximum in solids and minimum in gases
Which of the following statements is true? The velocity of sound is
(a) less in summer than in winter.
(b) more in summer than in winter.
(c) independent of seasons.
(d) the same in winter and summer.
Option b – more in summer than in winter
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