Waves

Q: When a string of length l fixed at both ends is plucked from the middle, the string vibrates

(a) :  3 loops
(b) :  1 loop
(c) :  4 loops
(d) :  2 loops
(e) :  None of the Above
Answer:  1 loop
Explanation:  

Q: Speed of sound is_______Pressure.

(a) :  Independent of
(b) :  Directly proportional to
(c) :  Inversely proportional to
(d) :  Equal to
(e) :  None of the Above
Answer:  Independent of
Explanation:  

Q: Which of the following wave motions is longitudinal:

(a) :  One end of string is fixed and the other is wiggled
(b) :  A piece of stone is thrown into still water
(c) :  Pulling of weight hanging vertically with a spinal spring
(d) :  Both A and C
(e) :  None of the Above
Answer:  Pulling of weight hanging vertically with a spinal spring
Explanation:  

Q: In deriving Bernoulli's Equation ,we assume that fluid is:

(a) :  Compressible,viscous and flow is turbulent.
(b) :  Incompressible,Non-Viscous and flow is steady state.
(c) :  Inccompressible,viscous and flow is steady state.
(d) :  None of Above.
(e) :  None of the Above
Answer:  Incompressible,Non-Viscous and flow is steady state.
Explanation:  

Register now to view all Question's

Sign in OR Sign Up


Back to top