The same principle of reflection of sound is used in
Q. Consider the following statements with reference to Sound:
Which of the above given statements is/are incorrect?
Q. ध्वनि के संदर्भ में निम्नलिखित कथनों पर विचार करें:
ऊपर दिए गए कथनों में कौन सा/से गलत है/हैं?
Stethoscope works on principle of multiple reflections of sound.
Reflected light can be reflected again.This principle is used in the which of the following instruments?