Question:
‘Sound cannot travel through’ which medium?
‘ध्वनि’ किस माध्यम से यात्रा नहीं कर सकती?
Options:
- a) Solid
- b) Liquid
- c) Gas
- d) Vacuum
- a) ठोस
- b) तरल
- c) गैस
- d) निर्वात
correct answer : d)
Explanation:
Sound is a mechanical wave that requires a medium to travel. It cannot travel through vacuum (empty space). Light can travel through vacuum.
ध्वनि यांत्रिक तरंग है जो माध्यम के बिना नहीं चल सकती। निर्वात में नहीं चलती।