WorksheetsTerm 2 Revision (Physics)
Total questions: 25
Worksheet time: 14mins
Which animals can here the infrasonic Sounds
pigeons
squid
octopus
All of these
10 1 seconds = speed × Time
This formula is used to find
distance travelled by sound
Distance travelled by echo
Distance travelled by Light
Distance travelled by reverberation
how many musical notes make up 1 octave
8
5
7
3
this Australian physicist shoed that when an object crosses the speed of sound it creates a loud sound called
Ernst Mach, sonic boom
Ernst Mach, SONAR
Ernst Mach, super sonic
Ernst Mach, supersonic boom
Full form of sonar
Sound Navigation and Ranging
Sound Navigation and Rowing
Sound Navigation and Running
Sound Navigation and Roaring
what is called the time period?
the time taken by the pendulum for one oscillation
the no of oscillations taken by the pendulum
the no of oscillations per second
to and fro motion of the pendulum
Choose the correct sentence
The higher the frequency, the more the high-pitched the sound
the lower the frequency, the more the high-pitched the sound
the higher the frequency, the more the low-pitched the sound
none of the following
inner ear consists of
coiled organ of hearing
semi-circular canals
auditory nerves
all of these
which scientist proved that clouds build up charge during storm
Benjamin franklen
albert einestine
a.p.j Kalam
Ernst Mach
Frequency of sound is measured in _________
decibel
cm
hz
mm
distance for an echo to travel
10
17
20
30
negative charges are called
electrons
protons
neutrons
none
protons are called
positive charge
negative charge
neutral
none
who was the scientist who discovered that gems when rubbed attract other materials
william gillbert
Jhon von lumen
robert hook
a.p.j kalam
the earth lithospere is divided in to how many tectonic plates
20
74
50
30
i dentify the phenomina
tsunami
eathquake
landslide
volcano eruption
the record of a sesimograph is called a sesimogram
true
false
what is the intensity of high earthquake
9.5
4.3
0
2.3
the point where the earth quake waves originae
seismic focus
tectonic plates
epicenter
focus
Which of the following sentences are true?
Like charges repel, unlike charges attract
Unlike charges repel, like charges attract
repulsion alone is not a sure test of whether the body is charged or not
attraction alone is a sure test of whether the body is charged or not
when, light travels from rarer medium to the denser medium it moves_______
towards the normal
away from the normal
in the normal
what is cataract
an eye problem
lung problem
nose problem
heart problem
another name of hypermetropia
long sightedness
short sightedness
egg
head
another name of miopiea
short sightedness
long sightedness
egg
bacon
who wrote the book "the story of my life"
helen keller
a.p.j kalam
nehru ji
mahatma gandhu
