Options:
- A. energy
- B. mass
- C. both
- D. none
View Answer
A. energy
Physics
Newtons laws do not hold good for particles_______________?
Options:
- A. at rest
- B. moving slowly
- C. move with high velocity
- D. move with velocity comparable to velocity of light
View Answer
D. move with velocity comparable to velocity of light
The distance between any two consecutive crests or troughs is called____________________?
Options:
- A. frequency
- B. period
- C. Wave length
- D. phase difference
View Answer
C. Wave length
2nd law of motion gives the definition of________________?
Options:
- A. force
- B. acceleration
- C. velocity
- D. both force and acceleration
View Answer
B. acceleration
In vibrating cord the points where the amplitude is maximum, are called ___________________?
Options:
- A. antinodes
- B. nodes
- C. troughs
- D. crests
View Answer
A. antinodes
Momentum depends upon__________________?
Options:
- A. force acts on the body
- B. mass of the body
- C. velocity of the body
- D. both mass and velocity of the body
View Answer
D. both mass and velocity of the body
A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?
Options:
- 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
View Answer
A. always an node in formed
When a body moves in a straight line then its displacement coincides with__________________?
Options:
- A. distance
- B. force
- C. acceleration is zero
- D. both A and B
View Answer
A. distance
The formula of inter-conversion of centigrade and Fahrenheit scale is___________?
Options:
- A. c-32/9
- B. f -32/9 =c/5
- C. f-32/9=c/9
- D. none
View Answer
B. f -32/9 =c/5
Which shows the correct relation between time of flight T and maximum height H ?
Options:
- A. H=gT2/8
- B. H=8T2/g
- C. H=8g/T2
- D. H=gT2
View Answer
A. H=gT2/8