10th Class Physics Chapter 1 English Medium Online MCQ Test With Answer

Simple Harmonic Motion and Waves

Sr. #	Questions	Answers Choice
1	Diffraction of wave can be observed clearly only when the size of slit or obstacle is nearly__________ to the wavelength of the wave:	Two times Equal Four times None of these
2	It mass of bob o a simple pendulum is doubled, its time period.	is doubled become four times remains same none of the above
3	The time period of frequency and time period is equal to:	v 1 0 λ
4	Thye Water waves obey the laws of	Reflection Refraction Diffraction All of these
5	Time period is reciprocal of:	Frequency Cycle Wavelength Amplitude
6	Shock absorbers in automobiles are one practical application of:	SHM Random motion Damped motion None of these
7	The oscillations of a system in the presence of _____________ force are called amp oscillations:	Resistive force Attractive force Both of these None of these
8	The motion in which the friction reduces the mechanical energy of the system as times passes and the amplitude of motion reduces is called:	SHM Randum motion Damped motion None of these
9	The water waves after striking the hurdle will:	Reflect Refract Diffract All a , b, c
10	The speed of waves can be calculated by:	Vt d x t f λ Tf
11	The unit of frequency is:	Heartz Vibration per second Cycle per second all a, b, c
12	The number of wavelength of waves passing through a point in one secnd is called:	Time period Cycle Frequency None of these