vu phy101 Final Term - Quiz No.4
vu phy101 Physics Quiz
This quiz belongs to book/course code vu phy101 Physics of vu organization. We have 6 quizzes available related to the book/course Physics. This quiz has a total of 10 multiple choice questions (MCQs) to prepare and belongs to topic Final Term. NVAEducation wants its users to help them learn in an easy way. For that purpose, you are free to prepare online MCQs and quizzes.
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Question 1: A qualitative definition of force is given by which law?
Newton's second law of motion
Newton's law of gravitation
Newton's third law of motion
law of inertia
Question 2: A plane produces a sonic boom only when:
it emits sound waves of very long wavelength
it emits sound waves of high frequencyit flys at high altitudes
it flys faster than the speed of sound
it flys faster than the speed of sound
Question 3: Take the speed of sound to be 340m/s. A thunder clap is heard about 3 s after the lightning is seen. The source of both light and sound is:
moving overhead faster than the speed of sound
emitting a much higher frequency than is heard
emitting a much lower frequency than is heard
about 1000m away
Question 4: The speed of a sound wave is determined by:
its amplitude
its intensity
the transmitting medium
number of harmonics present
Question 6: Sound waves are
longitudinal
transverse
partly longitudinal and partly transverse
sometimes longitudinal and sometimes transverse
Question 7: The least distance of distinct vision for normal eye:
5 cm
10 cm
25 cm
50 cm
Question 9: Coherent sources of light mean __________.
They must have same speeds
They must have same frequency
They must have same amplitude
They must have fixed phase relative to each other
Question 10: Radio waves and light waves are __________.
Loggitudinal waves
Transverse waves
Electromagnetic and transverse both
Electromagnetic and longitudinal both
