Physics Ventilators are provided near the ceiling of the room because These do not look nice in the lower part These provide cross ventilation in the room The exhaled warmer air rises up and goes out These provide some sunlight in the room These do not look nice in the lower part These provide cross ventilation in the room The exhaled warmer air rises up and goes out These provide some sunlight in the room ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Thermal Image—Making Electromagnetic Image— Making Electrostatic Image—Making Magnetic Image—Making Thermal Image—Making Electromagnetic Image— Making Electrostatic Image—Making Magnetic Image—Making ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example for cantilever beam? Bridge Diving board Common balance See-saw Bridge Diving board Common balance See-saw ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Less than that of light Greater than that of light Equal to that of sound Equal to that of light Less than that of light Greater than that of light Equal to that of sound Equal to that of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Control the speed of train Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Control the speed of train Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP