Physics Speed of sound is the greatest in : Air Water Glycerine Glass Air Water Glycerine Glass ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Heat Electromagnetic Light Sound Heat Electromagnetic Light Sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Microwave Optical fiber All are operating at nearly the same propagation speed Radio wave Microwave Optical fiber All are operating at nearly the same propagation speed Radio wave ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Ultraviolet radiation Infrared radiation Visible radiation X-ray radiation Ultraviolet radiation Infrared radiation Visible radiation X-ray radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 20 J 200J 400J 40J 20 J 200J 400J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Bernoulli's principle Archimedes' principle Poiseuille's principle Pascal's principle Bernoulli's principle Archimedes' principle Poiseuille's principle Pascal's principle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS