the water waves after striking the hurdle will:
reflect
refract
diffract
all a b and c
Which of the following reasons increase the importance of computer:
Speedy
Long time storage of memory
Quick decision
All of these
The value of acceleration is simple harmonic motion at mean position is:
Maximum
Zero
10 N
Both a and b
The ration of external force applied on the spring to displacement is called:
Hooke’s law
Constant
Spring constant
Force
Coaxial cable are used to transmit signals:
Magnet
Electric
Mechanical
Both mechanical and magnet
The sound waves are the example of:
Longitudinal waves
Transverse waves
Electromagnetic waves
x-rays
The unit of spring constant is:
Nm2
Nm-1