Simple Harmonic Motion

Question 1

In Simple harmonic motion acceleration is directed towards ____ and proportional to the

Answer 1

The fixed point,displacement

Question 2

Some examples of simple harmonic motion include

Answer 2

Spring,simple pendulum,heart beat

Question 3

Simple harmonic motion can be explained with a

Answer 3

Reference circle

Question 4

Amplitude is the

Answer 4

Maximum displacement from the mean position

Question 5

Velocity in a simple harmonic motion is maximum at the

Answer 5

Mean or fixed position where X=A

Question 6

P.E is max at

Answer 6

Max displacement where X=A

Question 7

A simple harmonic system will gradually lose its energy due to

Answer 7

Air resistance

Question 8

The phenomenon where an object in simple harmonic motion gradually loses its speed ____ is said to occur

Answer 8

Damping

Question 9

The frequency which an object will vibrate in if left undisturbed is

Answer 9

Fundamental frequency

Question 10

When a tuning force forces a larger surface to vibrate(table top) its said to have used

Answer 10

Forced vibrations

Question 11

Whenever the frequency of a vibrating body on a system coincides with the natural frequency of the system the object is said to vibrate at a larger amplitude

Answer 11

Resonance

Question 12

Which professionals make use resonance the most

Answer 12

Divers

Question 13

Other examples of resonance is

Answer 13

Glass windows vibrating because of high pitched notes cars also experience resonance

Question 14

____ is set up when two progressive waves of same freq and magnitude overlap eachother

Answer 14

Stationary waves

Question 15

The superposition of 2waves of the same frequency and Amplitude that are out of phase creates a region of

Answer 15

Zero disturbance

Question 16

The amplitude of the resultant gotten from a resultant waves

Answer 16

Is the algebraic dum of the Amp. Of the 2 waves

Question 17

Both longitudinal and traverse can create

Answer 17

Stationary waves

Question 18

Music produced by instruments e.g string are

Answer 18

Are Transverse

Question 19

The effect where 2 waves vibrating in phase reinforce each other is called

Answer 19

Constructive interference

Question 20

The 2 main waves that show the interference effect is the

Answer 20

Light and Sound waves

Question 21

Wide opening is equal to___ in wavelength

Answer 21

No change in. Direction

Question 22

Narrow opening results in

Answer 22

Circular and wide diffraction

Question 23

A wave is plane polarized if

Answer 23

Vibration occurs in one plane

Question 24

Polarized light can be produced with the aid of

Answer 24

Tourmaline crystals

Question 25

Polarization is produced at an angle of

Answer 25

57•C