Simple Harmonic Motion and Waves Physics Test 02

Total Questions: 27

1 - The sound waves are the example of:

A ) Longitudinal waves ✅
B ) Transverse waves
C ) Electromagnetic waves
D ) X-rays

2 - The energy is transferred from one place to another:

A ) through matter
B ) through waves
C ) Both a and b
D ) through vacuum

3 - The wave have properties:

A ) Reflection
B ) Refraction
C ) Deffraction
D ) All of these

5 - The distance between two consecutive trough or crest is called:

A ) The wavelength ✅
B ) Frequency
C ) Time period
D ) Amplitude

6 - The number of waves passing through a point in one second is called:

A ) Time period
B ) Cycle
C ) Frequency ✅
D ) Amplitude

7 - The unit of frequency is:

A ) Hertz
B ) Vibration per second
C ) Cycle per second
D ) All of the above

8 - The speed of waves can be calculated by:

A ) vt
B ) d×t
C ) fy ✅
D ) Tf

9 - The water waves after striking the herdle will:

A ) Reflect ✅
B ) Refract
C ) Deffract
D ) All of the above

10 - When water waves enter the region of shallow water, which quantity will change.

A ) Frequency
B ) Time period
C ) Amplitude
D ) Wavelength ✅

11 - The oscillations of a system in the presence of which force are called damp oscillations:

A ) Resistive force ✅
B ) Attractive force
C ) Coulomb force
D ) Both a and b

12 - The example of shock absorber of the vehicles are:

A ) Simple harmonic motion
B ) Vibratory motion
C ) Damped motion ✅
D ) Linear motion

13 - Time period is reciprocal of

A ) Frequency ✅
B ) Cycle
C ) Wave-length
D ) Amplitude

14 - The water waves obey the laws of

A ) Reflection
B ) Refraction
C ) Diffraction
D ) All of these

16 - If the mass of bob of a simple pendulum is doubled, its time period:

A ) is doubled
B ) becames four times
C ) remains same ✅
D ) becames half

19 - In simple pendulum motion, restoring force is provided by:

A ) Air resistance
B ) Tension in the string
C ) Inertia
D ) Weight of the body ✅

20 - Ripple tank is an instrument which is used to study the characteristics of:

A ) Mechanical Waves ✅
B ) Light Wavse
C ) Radio Waves
D ) Electro-Magnetic Waves

21 - Radio Waves are:

A ) Longitudinal waves
B ) Transverse waves
C ) Electromagnetic waves ✅
D ) Mechanical waves

22 - The product of frequency and wavelength is equal to:

A ) time period
B ) amplitude
C ) wave speed ✅
D ) wave energy

23 - When a body moves to and fro about a point, its motion is called:

A ) random motion
B ) vibratory motion ✅
C ) linear motion
D ) rotatory motion

24 - If time period is given the frequency is calculated as:

A ) f = 1/T ✅
B ) f =2/T
C ) f=3/T
D ) f =4/T

25 - The distance between two consecutive waves compressions or rarefactions is called:

A ) focal length
B ) wave length ✅
C ) frequency
D ) time period

26 - The spring constant is:

A ) K = -F / x ✅
B ) F = ma
C ) w = mg
D ) k = -Kx/m

27 - Frequency is equal to:

A ) f = 1/T ✅
B ) f = 1/g
C ) f =2π √1/g
D ) f = kx