Velocity of sound in vacuum is
A. 332 ms-1
B. 320 ms-1
C. Zero
D. 224 ms-1
Velocity of sound in vacuum is Read More »
Physics
According to Newton sound travel in air under the conditions of
A. adiabatic
B. isothermal
C. isobaric
D. isochoric
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A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe
A. always an node in formed
B. always an antinode is formed
C. neither node nor antinode is formed
D. sometimes a node and sometimes an antinode is formed
In vibrating cord the points where the amplitude is maximum, are called
A. antinodes
B. nodes
C. troughs
D. crests
In vibrating cord the points where the amplitude is maximum, are called Read More »
The distance between any two consecutive crests or troughs is called
A. frequency
B. period
C. Wave length
D. phase difference
The distance between any two consecutive crests or troughs is called Read More »
Waves transmit ________________ from one place to another?
A. energy
B. mass
C. both
D. none
Waves transmit ________________ from one place to another? Read More »
The range of the projectile at 30 deg and 60 deg are
A. equal to 45 deg
B. equal to 90 deg
C. equal to each other
D. none of the above
The range of the projectile at 30 deg and 60 deg are Read More »
The trajectory (or path) of a projectile is
A. straight line
B. parabola
C. hyperbola
D. circle
The trajectory (or path) of a projectile is Read More »