Light wave is a transverse wave. Transverse waves are characterized by oscillations perpendicular to the direction of energy transfer. In the case of light, electric and magnetic fields oscillate perpendicular to the direction of propagation. This distinguishes light from longitudinal ...
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Light is made up of small particles, which are called “Photon”. Photons are fundamental particles of light that exhibit both wave-like and particle-like properties. They have no mass and carry electromagnetic radiation.
The unit of measurement of sound intensity is Decibel (dB). Decibel is a logarithmic unit that quantifies the intensity or loudness of sound. It expresses the ratio of a sound level to a reference level, such as the threshold of ...
On hearing thunder, a person opens his mouth so that to equalize the air pressure on the eardrum of both the ears. This helps balance the pressure inside and outside the ears, reducing discomfort caused by sudden changes in atmospheric ...
The instrument used to detect submerged objects is called “Sonar”. Sonar stands for Sound Navigation and Ranging. It operates by emitting sound waves into water and detecting the echoes bounced back from underwater objects. Sonar is essential for applications like ...