Q.1. Encircle the correct option.1) Wave transfera) Energyb) Frequencyc) Wavelengthd) Velocity2) Which of the following characteristics of a wave is independent of the others?a) Speedb) Frequencyc) Amplituded) Wavelength3) Which of the following is method of energy transfer?a) Conductionb) Convectionc) Radiationd) All of these4) In a vacuum all electromagnetic waves have the samea) Speedb) Frequencyc) Amplituded)… Continue reading Previous paper class 10th(Physics)