ShowPer Page
The field in which work done in moving a body between two points depends upon the path followed is called:
NETNUST Entry TestPhysicsWork and Energy
Work done along a closed path in a gravitational field is:
NETNUST Entry TestPhysicsWork and Energy
The space around the Earth within which it exerts a force of attraction on other bodies is known as:
NETNUST Entry TestPhysicsWork and Energy
Work done is maximum when angle between force and displacement is:
NETNUST Entry TestPhysicsWork and Energy
Work has the dimensions as that of:
NETNUST Entry TestPhysicsWork and Energy
If force and displacement are in opposite direction, the work done is taken as:
NETNUST Entry TestPhysicsWork and Energy
The work performed on an object does not depend on:
NETNUST Entry TestPhysicsWork and Energy
Work is always done on a body when:
NETNUST Entry TestPhysicsWork and Energy
Work is a:
NETNUST Entry TestPhysicsWork and Energy
Ratio of velocity of sound in oxygen as compared to hydrogen is
NETNUST Entry TestPhysicsWaves
Speed of sound in vacuum is :
NETNUST Entry TestPhysicsWaves
Speed of sound is greatest in
NETNUST Entry TestPhysicsWaves
When the source moves towards an observer the frequency of waves as seen by an observer
NETNUST Entry TestPhysicsWaves
Blue colored source is seen Red if
NETNUST Entry TestPhysicsWaves
If particles are displaced In direction perpendicular to waves then the waves are?
NETNUST Entry TestPhysicsWaves
In an organ pipe if one side is closed then it is proved that harmonics released will be
NETNUST Entry TestPhysicsWaves
The frequency of a wave as the source approaches the observer with speed v
NETNUST Entry TestPhysicsWaves
When the wind is blowing in the same direction in which the sound is travelling, the speed of sound will:
NETNUST Entry TestPhysicsWaves
Speed of sound in air at room temperature (say $20^{\circ}C$) is nearly:
NETNUST Entry TestPhysicsWaves
Sound waves are:
NETNUST Entry TestPhysicsWaves
Speed of sound in vacuum (in m/sec) is:
NETNUST Entry TestPhysicsWaves
The frequency range for human ear is:
NETNUST Entry TestPhysicsWaves
Through which medium sound waves travel faster?
NETNUST Entry TestPhysicsWaves
Laplace assumed that sound travels in gases under:
NETNUST Entry TestPhysicsWaves