Rudra Ponkshe Asked: November 14, 2019In: Class 9 What is the kinetic energy of an object of mass 20kg at a height of 4m Please help by telling answer physicswork and energy
Poll Kriti Narang Asked: November 7, 2019In: Class 12 Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true? Which one is correct. cbseclass 12class 12 physicscommunication systemsncertphysics
Poll Kriti Narang Asked: November 7, 2019In: Class 12 A 100m long antenna is mounted on a 500m tall building. The complex can become a transmission tower for waves with λ. Select the correct one. cbsecbse exams 2020class 12class 12 physicsncertncert solutionsphysics
Poll Kriti Narang Asked: November 7, 2019In: Class 12 A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will be Select the correct one. cbseclass 12class 12 physicscommunication systemsncertphysics
Poll Kriti Narang Asked: November 7, 2019In: Class 12 A male voice after modulation-transmission sounds like that of a female to the receiver. The problem is due to Which one is correct as per you. 12th students must try. cbsecbse exams 2020class 12class 12 physicscommunication systemsncertphysics
