General physics- Knowledge test

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General physics- Knowledge test

Question 66 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
One nanometer is equal to
A
10-6m
B
10-8m
C
10-9m
D
10-5m
Question 67 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Intensity of sound has
A
an object existence
B
a subject existence
C
no existence
D
both subjective and objective existence
Question 68 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
ML2T-2 is the dimensional formula for
A
moment of inertia
B
pressure
C
elasticity
D
couple acting on a body
Question 69 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sound of frequency below 20 Hz is called
A
audio sounds
B
infrasonic
C
ultrasonic
D
supersonics
Question 70 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Intensity of sound at a point is ..... its distance from the source.
A
directly proportional to
B
inversely proportional to
C
directly proportional to square of
D
inversely proportional to square of
There are 70 questions to complete.