ECAT Pre Engineering Physics Chapter 8 MCQ Test With Answer

Top Scorers Of Physics ECAT Pre Engineering Chapter 8 Waves MCQ`s Test

Sr.#	Question	Answer
1	The time required to complete on vibration is called	A. frequency B. total time C. time period D. velocity
2	Fluids can transmit:	A. Transverse wave B. Compressional wave C. Both of them D. None of them
3	The natural frequency of a pendulum which is vibrating freely, depends upon its	A. mass B. length C. material D. all of them
4	The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called	A. rotatory motion B. motion under gravity C. angular motion D. simple harmonic motion
5	The speed of sound in a medium depends on	A. The elastic property but not on the inertia property B. The inertia property but not on the elastic property C. The elastic property as well as the inertia property D. Neither the elastic property nor the inertia property
6	The expression for restoring force is	A. F=ma B. F=kx C. F= -kx D. Kx=ma
7	If a simple pendulum is shifted from karachi to K-2 cliff, its time period	A. remains the same B. decreases C. increases D. none of them
8	The velocity of sound in air not effected by changes in	A. Moisture contents in air B. Temperature of air C. The atmosphere pressure D. The composition of air
9	Smaller the damping, greater will be the	A. frequency B. wavelength C. amplitude D. none of them
10	SI unit of frequency is	A. second B. hertz C. revolution D. vibrations/sec