(c) Elasticity and inertia are responsible for propagation of sound waves through a medium. (b) For two systems to be in resonance, their frequencies must be equal. (a) The pitch of the sound as detected by the observer depends on the original frequency. ……………… waves are also called as mechanical waves. The speed of sound in air is not affected by the change in ………………. between the source of sound and the listener. Answerĭoppler’s effect is a consequence of ………………. Two successive nodes or antinodes are separated by ………………. Nodes and antinodes are separated by ………………. Sound speed increases by 0.61 ms -1 for every ………………. but in case of a vibrating string, the restoring force is provided by ………………. In case of a vibrating rod, the restoring force is provided by ………………. waves are produced when two progressive waves of same frequency moving with same speed in opposite direction in a medium superpose on each other. AnswerĪ periodic wave function of sine or cosine form is called ………………. harmonics are absent in a pipe open at one end and closed at the other. AnswerĪnswer: first harmonic or pitch of the tone The minimum frequency with which the standing waves can be set up in the string fixed at its both ends is called ………………. AnswerĪnswer: either transverse or longitudinal AnswerĪ pure sine wave of sound is called ………………. The vibrations produced into a microphone when we speak are ………………. The sound produced in the string of a sonometer plucked so as to make it vibrate in one segment is called ………………. The Doppler effect is a phenomenon and can be experienced both in ………………. The minimum wavelength of sound audible to the human ear is nearly ………………. whereas those having maximum displacements are called ………………. The particle of the medium permanently at rest are called ………………. for a crowded hall than for an empty hall. In a sound wave, a displacement node is a ………………. a material medium for propagation but e.m. The superposition principle is not obeyed by ………………. In an open organ pipe, which harmonics are missing? AnswerĪnswer: (b) wavelength of the sound decreases. (d) the number of waves received by the listener increases. (c) the number of waves received by the listener decreases. The apparent pitch of the sound is found to be higher than its actual value. What types of waves are produced in the sonometer wire?Ī source of sound moves towards a stationary listener. The sound of minimum frequency emitted by a vibrating string is not termed as The quality of a note changes when change occurs in theĪ sound is said to be of rich quality, when it The factor that helps to recognise a person by his voice is AnswerĪnswer: (d) superposition of two waves of nearly equal frequencies. (d) superposition of two waves of nearly equal frequencies. Name the type of vibrations that are produced in a sitar wireĪn organ pipe, open at both the ends, producesĪnswer: (b) longitudinal stationary waves. (d) when two identical waves with a phase difference of K are moving in the same direction. (c) when the incident wave gets reflected from a wall.
Note c frequency free#
(b) on a string clamped at one end and free at the other end. (a) on a string clamped at both the ends. Name the characteristics of the sound that are affected by the change in temperature. AnswerĪnswer: (c) longitudinal in stem and transverse in prongs. (d) longitudinal in prongs and transverse in the stem. (c) longitudinal in stem and transverse in prongs. (b) longitudinal in both the prongs and stem. (a) transverse both in the prongs and the stem. When a tuning fork vibrates, the waves produced in tuning the Fork are With the propagation of longitudinal wave through a material medium, the quantities transmitted in the propagation direction are : AnswerĪnswer: (c) either longitudinal or transverse. The elastic or matter waves in a solid are
AnswerĪnswer: (c) density and elasticity of the gas. The velocity of sound in any gas depends upon Whenever a wave enters from one medium to the another, its AnswerĪnswer: (d) square root of the adiabatic elasticity. (d) square root of the adiabatic elasticity. (c) square root of the isothermal elasticity. The velocity of sound in a gas is proportional to : AnswerĪnswer: (a) its elasticity as well as its inertia. (d) neither its elasticity nor its inertia. (a) its elasticity as well as its inertia.
The speed of sound in a medium depends upon Waves Class 11 MCQs Questions with Answers Refer to the Waves Class 11 MCQs Questions with Answers here along with a detailed explanation. Practice MCQ Questions for Class 11 Physics with Answers on a daily basis and score well in exams.
Note c frequency pdf#
We have compiled the NCERT MCQ Questions for Class 11 Physics Chapter 15 Waves with Answers Pdf free download covering the entire syllabus.
0 kommentar(er)
