Question : Heinrich Rudolph Hertz laid the foundation for the future development of radio, telephone and telegraph. The SI unit of ____________ was named as "hertz" in his honour.

Option 1: frequency

Option 2: heat

Option 3: light

Option 4: sound

Question : Which of the following is the unit of perceived loudness of sound?

Option 1: Decibel

Option 2: Sone

Option 3: Hertz

Option 4: Phon

Question : What is the distance between a crest and a consecutive trough in a transverse wave?

Option 1: Wavelength

Option 2: Amplitude

Option 3: Half of the wavelength

Option 4: Twice of wavelength

Question : Which of the following waves has the highest frequency?

Option 1: Radio

Option 2: Infrared

Option 3: Microwaves

Option 4: Gamma-rays

Question : Maxwell is the unit of which of the following?

Option 1: Magnetic flux

Option 2: Permeability

Option 3: Magnetic susceptibility

Option 4: Intensity of magnetisation