Related InterviewSolutions

• Microwaves can’t be used for long-distance transmission of signals.(a) True(b) FalseThis question was posed to me in an online quiz.This intriguing question originated from Electromagnetic Waves in portion Electromagnetic Waves of Physics – Class 12
• What is the velocity of electromagnetic wave in free space?(a) c = √μ0ε0(b) c = \(\frac {1}{\sqrt {\mu_0 \varepsilon_0}}\)(c) c = \(\frac {1}{\mu_0 \varepsilon_0}\)(d) c = μ0ε0The question was asked during an interview.The doubt is from Electromagnetic Waves topic in portion Electromagnetic Waves of Physics – Class 12
• Identify the electromagnetic wave which is also known as heatwaves.(a) Radio Waves(b) Gamma Waves(c) X-Rays(d) Infrared WavesThe question was posed to me during a job interview.My question is from Electromagnetic Spectrum in section Electromagnetic Waves of Physics – Class 12
• Monica wanted to take photographs of a monument. But since the surrounding is filled with smoke, she is not able to take good photos. Which one of the following electromagnetic waves can be used in this situation to help Monica?(a) X-rays(b) Gamma rays(c) Ultraviolet rays(d) Infrared wavesThis question was addressed to me by my school teacher while I was bunking the class.Enquiry is from Electromagnetic Spectrum topic in portion Electromagnetic Waves of Physics – Class 12
• Which of the following cannot travel in vacuum?(a) Radio waves(b) Gamma Waves(c) Infrared Waves(d) Infrasonic wavesThis question was posed to me during an interview for a job.My question comes from Electromagnetic Spectrum topic in chapter Electromagnetic Waves of Physics – Class 12
• What is the full form of UHF?(a) Under heavy frequency(b) Ultra-high frequency(c) Ultra heavy frequency(d) Under high frequencyThe question was posed to me at a job interview.My query is from Electromagnetic Spectrum topic in section Electromagnetic Waves of Physics – Class 12
• Electromagnetic radiation has an energy of 15 keV. Then this radiation belongs to which region of electromagnetic waves?(a) X rays(b) Infrared rays(c) Gamma rays(d) UV raysI had been asked this question during an online interview.Enquiry is from Electromagnetic Spectrum topic in division Electromagnetic Waves of Physics – Class 12
• The speeds of microwaves, infrared waves, and ultraviolet waves are Vm, Vi, and Vu respectively. Identify the correct combination showing the different waves in vacuum.(a) Vm > Vi > Vu(b) Vm = Vi = Vu(c) Vm < Vi < Vu(d) Vm > Vi < VuThis question was posed to me at a job interview.This question is from Electromagnetic Spectrum in division Electromagnetic Waves of Physics – Class 12
• Pick out the electromagnetic wave which is highly harmful to humans.(a) Radio waves(b) Ultraviolet Rays(c) Microwaves(d) Infrared WavesThis question was posed to me in quiz.This intriguing question comes from Electromagnetic Spectrum in portion Electromagnetic Waves of Physics – Class 12
• Which among the following is an application of microwaves?(a) Solar cells(b) Ovens(c) Radiotherapy(d) Burglar alarmsThis question was posed to me in exam.I would like to ask this question from Electromagnetic Spectrum topic in chapter Electromagnetic Waves of Physics – Class 12