alleryTwo astronauts on the airless Moon cannot talk directly. Why?
AThe moonlight absorbs the sound
BSound travels too fast there
CTheir voices are too high-pitched
DNo medium exists to carry sound
Answer & Solution
Correct answer: D. No medium exists to carry sound
Sound is a mechanical disturbance, so with no air or other matter between them nothing can carry it.
Keep practising Chemical Changes, Reactions & Atmospheric Pollution
Browse all Chemical Changes, Reactions & Atmospheric Pollution questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
A tuning fork vibrates 50 times each second. Its time period isWhich frequency can a healthy young person hear?Two identical sirens sound, one on a parked car and one on a car speeding towards you. WhaWhy does the speed of sound in a gas change with temperature?A vibrating guitar string makes a sound. What does it do to the surrounding air?What is damping?An observer moves away from a stationary source of sound. What do they receive?You drive an oscillating object far above its natural frequency. What happens to the ampli