8/17/2019 Soalan PPT Fizik F4

1/3

Answer all questions.

1. Which of the following statements about

wave motion is true?

  A. Matter is transported but energy is not

  B. Energy is transported but matter is not

  C. Both energy and matter vibrate at

every point along the wave

  . Both energy and matter propagate

along with the wave.

!. What are the types of waves that can be

 produced by using a slin"y spring?

  A. #ongitudinal waves only

  B. $ransverse waves only

  C. #ongitudinal and transverse waves

  . Electromagnetic waves

%. Which of the following is true of awavefront?

  A. All wavefronts are circular in shape

  B. Wavefronts are imaginary lines that

 &oin all ad&acent points vibrating in

 place.

  C. 'n longitudinal waves( wavefronts

 parallel to the direction of propagation

  . $he displacement is always ma)imum at

  a wavefront

*. +igure below shows a graph of

displacement against time for an

oscillating system.

  'f the fre,uency of the oscillation is !-

/( what is the value of a?

  A. -.-0 C. !-.-- E. 0-.--

  B. 1-.-- . !0.--

0. +igure below shows a graph of

displacement against distance for a wave.

$he fre,uency of the wave is * /.

 

+ind the wave speed.

  A. ! cms1  C. 1! cms1  E. *2 cms1

  B. * cms1  . 13 cms1

3. Which of the following statements is true

SMK DATO SERI MAHARAJA LELA, KG GAJAH

MID TERM EXAMINATION 20

!H"SI#S

!A!ER

$ORM %

8/17/2019 Soalan PPT Fizik F4

2/3

  for an oscillating system undergoing

damping?

  A. 'ts amplitude gradually decreases

  B. 'ts fre,uency gradually decreases

  C. 'ts potential energy remains constant

  . 'ts oscillation will come to a stop in the

shortest time

4. Which of the following is not an e)ample

of resonance?

  A. A glass crac"s when an opera singer

sings at a high pitch

  B. A flute produces a loud sound of a

 particular fre,uency when it is blown

  C. An earth,ua"e causes the ground tosha"e

  . A radio is tuned to receive the

 broadcast from a radio station

2. +igure below shows a father pushing his

child on a swing so that the child can

swing without stopping.

  $his is an e)ample of 

  A. damping C. resonance

  B. forced oscillation . natural fre,uency

5. Which of the following will change when

a wave undergoes reflection?

  A. Wavelength

B. +re,uency

C. 6peed

  . irection of propagation

1-. +igure below shows wavefronts of

waves approaching a reflector.

$he angle of reflection of the reflected

waves is

  A. !--  C. 4--  E. 1*--

  B. *--  . 5--

11. $he figure below shows wavefronts of

 plane waves moving towards a plane

reflector.

 

Which of the following shows the

reflected waves correctly?

 

8/17/2019 Soalan PPT Fizik F4

3/3