PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Assertion: Sound waves cannot travel in vacuum but light can travel in vacuum.
Reason: Sound waves are longitudinal waves and they cannot be polarised but electromagnetic waves are transverse and they can be polarised.
Reason: Sound waves are longitudinal waves and they cannot be polarised but electromagnetic waves are transverse and they can be polarised.
2. Assertion: Sound waves cannot pass through vacuum.
Reason: Sound waves are mechanical waves, which require a medium for their propagation.
Reason: Sound waves are mechanical waves, which require a medium for their propagation.