Physics Which of the following waves cannot be polarised? Infrared Radio Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 40 80 20 10 40 80 20 10 ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps The ball will travel towards the center of the circle and fall down It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these It will fall down at the same place where the string breaks The ball will travel towards the center of the circle and fall down It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these It will fall down at the same place where the string breaks ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C2>C1 C1 = C2 C1>C2 C1pa = C2pg C2>C1 C1 = C2 C1>C2 C1pa = C2pg ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is usually highest when the air is Warm and moist Cool and dry Cool and moist Warm and dry Warm and moist Cool and dry Cool and moist Warm and dry ANSWER DOWNLOAD EXAMIANS APP
Physics On a rainy day, small oil films on water show brilliant colours. This is due to polarization interference diffraction dispersion polarization interference diffraction dispersion ANSWER DOWNLOAD EXAMIANS APP