From this App you can learn:

Understand the concept of transfer of energy from one system to another with or without the physical contact.
Probe for different types of waves and their importance to everyday science.
Explore and differentiate transverse and longitudinal waves and discuss their importance in everyday science.
Examine and correlate energy of the wave and its intensity to apply to real world scenarios.
Understand the basic difference between transmission and reflection of a wave.
Examine and investigate interference of waves and its applications in the real world.
Discuss the concept of a standing wave along with its characteristics and its importance in daily life situations.

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This topic covers under Chemistry subject as a part of the Waves And Optics topic
and this topic contains following sub topics
Wave Motion
Transverse waves
Wave characteristics
Reflection of a wave
Interference of waves
Travelling waves