ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

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

Sr.#	Question	Answer
1	In the formula for finding the speed of waves in the spring, unit of m in SIn units is:	A. kg B. kg-meter C. kg/meter D. Meter/kg
2	For production of beats the two sources must have	A. Different frequencies and same amplitude B. Different frequencies C. Different frequencies, same amplitude and same phase D. Different frequencies and same phase
3	Which of the following is not mechanical wave?	A. Sound wave B. Light wave C. wave produced in spring D. None of them
4	Acceleration of the mass at any instant is given by	A. a=k/m x B. a= - m/k x C. a = - k/m x D. a=m/k x
5	One complete round trip of the body about its mean position is called	A. displacement B. vibration C. a complete motion D. an acceleration
6	The time required to complete on vibration is called	A. frequency B. total time C. time period D. velocity
7	Waves transport energy	A. without transport energy B. with matter C. both of them D. none of them
8	The natural frequency of a pendulum which is vibrating freely, depends upon its	A. mass B. length C. material D. all of them
9	Fluids can transmit:	A. Transverse wave B. Compressional wave C. Both of them D. None of them
10	For a body executing S. H. M, its	A. momentum remains constant B. potential energy remains constant C. kinetic energy remains constant D. total energy remains constant