10th Class Physics MCQS
Thye Water waves obey the laws of
Reflection
Refraction
All of these
Diffraction
A device which has two ways of communication is:
mobile phone
radio
hard disk
television
Time period is reciprocal of:
Cycle
Wavelength
Frequency
Amplitude
Waves transfer:
frequency
Energy
Wavelength
Velocity
The time period of frequency and time period is equal to:
1
0
v
?
It mean position kinetic energy of the ball is:
Minimum
None of these
Maximum
Zero
If the length of a simple pendulum is halved its time period will become:
T = T/?2
?2T
2T
T/2
The unit of spring constnat is:
m
Nm2
Nm-1
kg
Which of the following tasks are performed by most of the algorithms?
Out put
All of these
Processing
Input
Which of the following devices can be used to produce both a transverse and longitudinal waves?
A tuning fork
A helical spring
A string
A ripple tank
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