The energy is transferred from one place of another:
through matter
through waves
both a and b
through vacuum
The value of acceleration is simple harmonic motion at mean position is:
Maximum
Zero
10 N
Both a and b
Which of the following reasons increase the importance of computer:
Speedy
Long time storage of memory
Quick decision
All of these
If the mass of bob of a simple pendulum is doubled, its time period:
Is doubled
Becomes four times
Remains same
Becomes half
The force applied on the mass attached with a spring is represented by:
fa
fc
fext
fs
the unit of frequency is:
hertz
vibration per second
cycle per second
all a, b and c
