Statement-1 : Ultrasonics is the acoustic analogue of ultraviolet radiation
Statement-2 : Ultraviolet rays do not produce visual sensations while ultrasonic waves are not heards by the human ear.

Electromagnetic waves used as a diagnostic tool in medicine are (A) X-rays (B) ultraviolet rays (C) infrared radiation (D) ultrasonic waves

Electromagnetic waves used as a diagnostic tool in medicine are (A) X-rays (B) ultraviolet rays (C) infrared radiation (D) ultrasonic waves

Explain why radio waves can not produce photoelectrons from metals, while ultraviolet rays can.

Statement 1 : Electromagnetic waves exert pressure called radiation pressure. Statement-2 : This is because they carry energy.

Statement-1 : In frasonic waves are generally produced by large vibrating bodies Statement-2 : Infrasonic waves have frequency range lies below 20 Hz

Statement-1 : In frasonic waves are generally produced by large vibrating bodies Statement-2 : Infrasonic waves have frequency range lies below 20 Hz

Statement-1 : Infrasonic waves are generally produced by large vibrating bodies Statement-2 : Infrasonic waves have frequency range lies below 20 Hz

Statement-1 : Standing waves do not transport energy in the medium Statement-2 : In standing waves, every particle vibrates with its own energy and it does not share its energy with any other particle.

Statement-1 : Standing waves do not transport energy in the medium Statement-2 : In standing waves, every particle vibrates with its own energy and it does not share its energy with any other particle.

Statement-1 : The flash of lightening is seen before the sound of thunder is heard Statement-2 : The sound of thunder is produced after the flash of lightening.