BSC 2nd Sem Physics Important Questions. We covered all the BSC 2nd Sem Physics Important Questions in this post for free so that you can practice well for the exam.
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BSC 2nd Sem Physics Important Objective Questions for Students
Which one of the following statements is not correct?
(a) The velocity of sound in air is independent of pressure.
(b) The velocity of sound in air increases with an increase in temperature.
(c) The velocity of sound in air decreases as humidity increases.
(d) The velocity of sound in air is not affected by the change in amplitude and frequency.
Option c – The velocity of sound in air decreases as humidity increases
What is the minimum distance (in meters) required to hear an echo?
(a) 10
(b) 13
(c) 17
(d) 21
Option c – 17
To hear a distinct echo, the time interval between the original sound and the reflected sound must be at least
(a) 1 second
(b) 0.1 second
(c) 0.2 second
(d) 2 seconds
Option b – 0.1 second
We covered all the bsc 2nd sem physics important questions above in this post for free so that you can practice well for the exam.
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