Physics Which microscope is often used to view metal surfaces? Electron microscopes Scanning tunneling microscopes None of these Optical microscopes Electron microscopes Scanning tunneling microscopes None of these Optical microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of which of the following is the same as that of impulse ? Momentum Change in the rate of momentum Volume Torque Momentum Change in the rate of momentum Volume Torque ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.044444444444444 0.16736111111111 0.052777777777778 0.084027777777778 0.044444444444444 0.16736111111111 0.052777777777778 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 200 J 0 J 100 J 400 J 200 J 0 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Ediograph Ergograph Seismograph Pantagraph Ediograph Ergograph Seismograph Pantagraph ANSWER DOWNLOAD EXAMIANS APP